./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8 --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 510d78afd0ed540d6db513c55234784145c65178 ............................................................................................................................................ 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8 --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 510d78afd0ed540d6db513c55234784145c65178 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:03:41,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:03:41,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:03:41,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:03:41,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:03:41,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:03:41,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:03:41,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:03:41,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:03:41,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:03:41,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:03:41,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:03:41,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:03:41,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:03:41,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:03:41,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:03:41,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:03:41,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:03:41,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:03:41,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:03:41,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:03:41,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:03:41,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:03:41,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:03:41,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:03:41,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:03:41,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:03:41,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:03:41,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:03:41,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:03:41,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:03:41,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:03:41,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:03:41,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:03:41,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:03:41,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:03:41,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:03:41,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:03:41,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:03:41,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:03:41,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:03:41,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:03:42,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:03:42,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:03:42,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:03:42,037 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:03:42,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:03:42,037 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:03:42,037 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:03:42,038 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:03:42,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:03:42,044 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:03:42,046 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:03:42,046 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:03:42,046 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:03:42,046 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:03:42,047 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:03:42,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:03:42,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:03:42,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:03:42,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:03:42,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:03:42,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:03:42,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:03:42,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:03:42,049 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:03:42,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:03:42,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:03:42,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:03:42,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:03:42,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:03:42,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:03:42,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:03:42,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:03:42,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:03:42,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:03:42,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:03:42,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:03:42,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:03:42,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:03:42,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:03:42,055 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 510d78afd0ed540d6db513c55234784145c65178 [2021-10-13 07:03:42,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:03:42,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:03:42,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:03:42,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:03:42,348 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:03:42,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-13 07:03:42,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/8bf520872/d01a983e2def4108977cec7f4eb60494/FLAGd134274f3 [2021-10-13 07:03:42,909 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:03:42,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-13 07:03:42,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/8bf520872/d01a983e2def4108977cec7f4eb60494/FLAGd134274f3 [2021-10-13 07:03:43,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/8bf520872/d01a983e2def4108977cec7f4eb60494 [2021-10-13 07:03:43,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:03:43,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:03:43,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:03:43,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:03:43,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:03:43,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:03:43" (1/1) ... [2021-10-13 07:03:43,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b150e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:43, skipping insertion in model container [2021-10-13 07:03:43,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:03:43" (1/1) ... [2021-10-13 07:03:43,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:03:43,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:03:43,718 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3600,3613] [2021-10-13 07:03:43,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:03:43,869 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) [2021-10-13 07:03:43,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@525b2944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:43, skipping insertion in model container [2021-10-13 07:03:43,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:03:43,870 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:03:43,872 INFO L168 Benchmark]: Toolchain (without parser) took 434.29 ms. Allocated memory is still 109.1 MB. Free memory was 67.5 MB in the beginning and 79.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:43,873 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:03:43,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.39 ms. Allocated memory is still 109.1 MB. Free memory was 67.3 MB in the beginning and 79.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:43,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 430.39 ms. Allocated memory is still 109.1 MB. Free memory was 67.3 MB in the beginning and 79.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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-4e77c04 [2021-10-13 07:03:46,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:03:46,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:03:46,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:03:46,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:03:46,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:03:46,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:03:46,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:03:46,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:03:46,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:03:46,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:03:46,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:03:46,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:03:46,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:03:46,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:03:46,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:03:46,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:03:46,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:03:46,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:03:46,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:03:46,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:03:46,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:03:46,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:03:46,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:03:46,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:03:46,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:03:46,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:03:46,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:03:46,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:03:46,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:03:46,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:03:46,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:03:46,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:03:46,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:03:46,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:03:46,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:03:46,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:03:46,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:03:46,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:03:46,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:03:46,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:03:46,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:03:46,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:03:46,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:03:46,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:03:46,236 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:03:46,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:03:46,236 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:03:46,236 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:03:46,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:03:46,237 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:03:46,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:03:46,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:03:46,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:03:46,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:03:46,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:03:46,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:03:46,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:03:46,240 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:03:46,241 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:03:46,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:03:46,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:03:46,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:03:46,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:03:46,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:03:46,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:03:46,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:03:46,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:03:46,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:03:46,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:03:46,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:03:46,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:03:46,244 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:03:46,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:03:46,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:03:46,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:03:46,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:03:46,245 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 510d78afd0ed540d6db513c55234784145c65178 [2021-10-13 07:03:46,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:03:46,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:03:46,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:03:46,626 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:03:46,627 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:03:46,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-13 07:03:46,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/7e6181478/3996b0350f2b4cf69733dbeabbe0917d/FLAG5d0e3de1c [2021-10-13 07:03:47,321 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:03:47,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-13 07:03:47,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/7e6181478/3996b0350f2b4cf69733dbeabbe0917d/FLAG5d0e3de1c [2021-10-13 07:03:47,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/data/7e6181478/3996b0350f2b4cf69733dbeabbe0917d [2021-10-13 07:03:47,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:03:47,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:03:47,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:03:47,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:03:47,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:03:47,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:03:47" (1/1) ... [2021-10-13 07:03:47,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5b111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:47, skipping insertion in model container [2021-10-13 07:03:47,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:03:47" (1/1) ... [2021-10-13 07:03:47,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:03:47,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:03:47,917 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3600,3613] [2021-10-13 07:03:48,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:03:48,095 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:03:48,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:03:48,124 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3600,3613] [2021-10-13 07:03:48,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:03:48,222 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:03:48,251 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_c0f0383e-d981-4350-b327-b9264a1d2d4d/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3600,3613] [2021-10-13 07:03:48,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:03:48,340 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:03:48,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48 WrapperNode [2021-10-13 07:03:48,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:03:48,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:03:48,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:03:48,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:03:48,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:03:48,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:03:48,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:03:48,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:03:48,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:03:48,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:03:48,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:03:48,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:03:48,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (1/1) ... [2021-10-13 07:03:48,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:03:48,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:03:48,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:03:48,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:03:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:03:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:03:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:03:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:03:50,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:03:50,773 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-13 07:03:50,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:03:50 BoogieIcfgContainer [2021-10-13 07:03:50,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:03:50,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:03:50,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:03:50,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:03:50,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:03:47" (1/3) ... [2021-10-13 07:03:50,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7950ea5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:03:50, skipping insertion in model container [2021-10-13 07:03:50,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:48" (2/3) ... [2021-10-13 07:03:50,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7950ea5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:03:50, skipping insertion in model container [2021-10-13 07:03:50,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:03:50" (3/3) ... [2021-10-13 07:03:50,791 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2021-10-13 07:03:50,796 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:03:50,797 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:03:50,857 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:03:50,867 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, mConcurrency=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 [2021-10-13 07:03:50,867 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:03:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-13 07:03:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:03:50,909 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:03:50,910 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:03:50,910 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:03:50,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:03:50,916 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-13 07:03:50,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:03:50,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401101346] [2021-10-13 07:03:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:03:50,929 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:03:50,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:03:50,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:03:50,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:03:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:03:51,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:03:51,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:03:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:51,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:51,307 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:51,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401101346] [2021-10-13 07:03:51,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401101346] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:51,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:51,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:03:51,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164710826] [2021-10-13 07:03:51,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:03:51,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:51,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:03:51,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:03:51,337 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-13 07:03:51,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:51,374 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-13 07:03:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:03:51,375 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 [2021-10-13 07:03:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:51,385 INFO L225 Difference]: With dead ends: 144 [2021-10-13 07:03:51,385 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 07:03:51,388 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 [2021-10-13 07:03:51,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 07:03:51,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 07:03:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-10-13 07:03:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-13 07:03:51,434 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-13 07:03:51,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:51,435 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-13 07:03:51,435 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) [2021-10-13 07:03:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-13 07:03:51,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:03:51,437 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:03:51,438 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:03:51,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:03:51,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:51,659 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:03:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:03:51,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-13 07:03:51,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:03:51,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199482007] [2021-10-13 07:03:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:03:51,661 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:03:51,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:03:51,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:03:51,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:03:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:03:51,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:03:51,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:03:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:51,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:51,963 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:51,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199482007] [2021-10-13 07:03:51,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199482007] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:51,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:51,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:03:51,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735432007] [2021-10-13 07:03:51,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:03:51,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:51,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:03:51,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:03:51,967 INFO L87 Difference]: Start difference. First operand 71 states and 99 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) [2021-10-13 07:03:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:51,979 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-13 07:03:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:03:51,979 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 [2021-10-13 07:03:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:51,980 INFO L225 Difference]: With dead ends: 71 [2021-10-13 07:03:51,981 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:03:51,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:03:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:03:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:03:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-10-13 07:03:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-13 07:03:51,986 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-13 07:03:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:51,986 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-13 07:03:51,987 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) [2021-10-13 07:03:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-13 07:03:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:03:51,988 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:03:51,988 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] [2021-10-13 07:03:52,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-13 07:03:52,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:52,201 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:03:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:03:52,201 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-13 07:03:52,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:03:52,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683444879] [2021-10-13 07:03:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:03:52,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:03:52,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:03:52,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:03:52,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:03:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:03:52,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:03:52,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:03:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:52,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:52,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:52,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683444879] [2021-10-13 07:03:52,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683444879] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:52,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:52,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:03:52,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319356966] [2021-10-13 07:03:52,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:03:52,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:52,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:03:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:03:52,636 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-13 07:03:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:52,656 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-13 07:03:52,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:03:52,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 [2021-10-13 07:03:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:52,659 INFO L225 Difference]: With dead ends: 60 [2021-10-13 07:03:52,659 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:03:52,660 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:03:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:03:52,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:03:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-10-13 07:03:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-13 07:03:52,674 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-13 07:03:52,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:52,674 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 07:03:52,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-13 07:03:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-13 07:03:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:03:52,677 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:03:52,677 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] [2021-10-13 07:03:52,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:03:52,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:52,889 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:03:52,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:03:52,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-13 07:03:52,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:03:52,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569797579] [2021-10-13 07:03:52,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:03:52,891 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:03:52,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:03:52,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:03:52,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:03:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:03:53,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:03:53,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:03:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:53,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:53,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:53,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569797579] [2021-10-13 07:03:53,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569797579] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:53,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:53,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:03:53,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839280306] [2021-10-13 07:03:53,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:03:53,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:53,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:03:53,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:03:53,273 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-13 07:03:53,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:53,352 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-13 07:03:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:03:53,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 [2021-10-13 07:03:53,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:53,354 INFO L225 Difference]: With dead ends: 151 [2021-10-13 07:03:53,354 INFO L226 Difference]: Without dead ends: 124 [2021-10-13 07:03:53,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:03:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-13 07:03:53,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-13 07:03:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 55 states have internal predecessors, (78), 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) [2021-10-13 07:03:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-13 07:03:53,364 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-13 07:03:53,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:53,364 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-13 07:03:53,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-13 07:03:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-13 07:03:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:03:53,365 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:03:53,366 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, 1] [2021-10-13 07:03:53,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:03:53,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:53,582 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:03:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:03:53,582 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2021-10-13 07:03:53,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:03:53,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116233571] [2021-10-13 07:03:53,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:03:53,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:03:53,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:03:53,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:03:53,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:03:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:03:53,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:03:53,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:03:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:53,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:03:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:03:53,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:03:53,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116233571] [2021-10-13 07:03:53,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116233571] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:03:53,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:03:53,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:03:53,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103293226] [2021-10-13 07:03:53,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:03:53,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:03:53,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:03:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:03:53,922 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-13 07:03:54,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:03:54,023 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-13 07:03:54,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:03:54,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:03:54,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:03:54,024 INFO L225 Difference]: With dead ends: 148 [2021-10-13 07:03:54,025 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:03:54,026 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:03:54,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:03:54,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:03:54,026 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) [2021-10-13 07:03:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:03:54,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-13 07:03:54,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:03:54,027 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:03:54,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-13 07:03:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:03:54,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:03:54,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:03:54,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:03:54,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:03:54,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-13 07:03:54,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:03:54,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:03:54,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:03:54,516 INFO L853 garLoopResultBuilder]: At program point L382(lines 367 385) the Hoare annotation is: false [2021-10-13 07:03:54,516 INFO L853 garLoopResultBuilder]: At program point L382-1(lines 367 385) the Hoare annotation is: false [2021-10-13 07:03:54,516 INFO L853 garLoopResultBuilder]: At program point L382-2(lines 367 385) the Hoare annotation is: false [2021-10-13 07:03:54,516 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L399(lines 398 443) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 1 913) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L853 garLoopResultBuilder]: At program point L186-3(lines 1 913) the Hoare annotation is: false [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L853 garLoopResultBuilder]: At program point L186-5(lines 1 913) the Hoare annotation is: false [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L434-2(lines 224 230) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 424) no Hoare annotation was computed. [2021-10-13 07:03:54,517 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 418 424) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L468-1(lines 224 230) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L853 garLoopResultBuilder]: At program point L171(lines 166 174) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L860 garLoopResultBuilder]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2021-10-13 07:03:54,518 INFO L857 garLoopResultBuilder]: For program point L256-1(lines 256 273) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point L256-2(lines 256 273) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L853 garLoopResultBuilder]: At program point L224(lines 223 242) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point L224-1(lines 224 230) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L853 garLoopResultBuilder]: At program point L224-2(lines 223 242) the Hoare annotation is: false [2021-10-13 07:03:54,519 INFO L853 garLoopResultBuilder]: At program point L224-3(lines 223 242) the Hoare annotation is: false [2021-10-13 07:03:54,519 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,519 INFO L853 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-10-13 07:03:54,519 INFO L853 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-10-13 07:03:54,519 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L208-1(line 208) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L208-2(line 208) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L853 garLoopResultBuilder]: At program point L408-1(lines 408 414) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L260-1(lines 260 268) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L376-2(lines 376 380) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-10-13 07:03:54,520 INFO L857 garLoopResultBuilder]: For program point L376-5(lines 376 380) no Hoare annotation was computed. [2021-10-13 07:03:54,521 INFO L857 garLoopResultBuilder]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-10-13 07:03:54,521 INFO L857 garLoopResultBuilder]: For program point L376-8(lines 376 380) no Hoare annotation was computed. [2021-10-13 07:03:54,521 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-13 07:03:54,521 INFO L853 garLoopResultBuilder]: At program point L327(lines 322 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,522 INFO L853 garLoopResultBuilder]: At program point L327-1(lines 322 330) the Hoare annotation is: false [2021-10-13 07:03:54,522 INFO L853 garLoopResultBuilder]: At program point L327-2(lines 322 330) the Hoare annotation is: false [2021-10-13 07:03:54,523 INFO L853 garLoopResultBuilder]: At program point L163(lines 1 913) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,523 INFO L853 garLoopResultBuilder]: At program point L444(lines 397 445) the Hoare annotation is: false [2021-10-13 07:03:54,523 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 439) no Hoare annotation was computed. [2021-10-13 07:03:54,523 INFO L860 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-10-13 07:03:54,523 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:03:54,524 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-10-13 07:03:54,524 INFO L853 garLoopResultBuilder]: At program point L231(lines 231 237) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,524 INFO L853 garLoopResultBuilder]: At program point L231-1(lines 231 237) the Hoare annotation is: false [2021-10-13 07:03:54,524 INFO L853 garLoopResultBuilder]: At program point L231-2(lines 231 237) the Hoare annotation is: false [2021-10-13 07:03:54,524 INFO L853 garLoopResultBuilder]: At program point L512(lines 508 514) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:03:54,525 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-10-13 07:03:54,525 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-13 07:03:54,525 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-13 07:03:54,525 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-13 07:03:54,525 INFO L853 garLoopResultBuilder]: At program point L464-2(lines 464 478) the Hoare annotation is: false [2021-10-13 07:03:54,529 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:03:54,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:03:54 BoogieIcfgContainer [2021-10-13 07:03:54,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:03:54,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:03:54,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:03:54,544 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:03:54,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:03:50" (3/4) ... [2021-10-13 07:03:54,547 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:03:54,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:03:54,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:03:54,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:03:54,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:03:54,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:03:54,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:03:54,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:03:54,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:03:54,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:03:54,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:03:54,654 INFO L168 Benchmark]: Toolchain (without parser) took 6984.26 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 50.8 MB in the beginning and 46.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,655 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 71.3 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 54.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:03:54,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.61 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 39.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.73 ms. Allocated memory is still 71.3 MB. Free memory was 39.4 MB in the beginning and 36.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,656 INFO L168 Benchmark]: Boogie Preprocessor took 65.15 ms. Allocated memory is still 71.3 MB. Free memory was 36.6 MB in the beginning and 34.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,657 INFO L168 Benchmark]: RCFGBuilder took 2294.14 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 34.2 MB in the beginning and 40.1 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,657 INFO L168 Benchmark]: TraceAbstraction took 3766.71 ms. Allocated memory is still 86.0 MB. Free memory was 39.3 MB in the beginning and 52.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,657 INFO L168 Benchmark]: Witness Printer took 109.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 46.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:03:54,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 71.3 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 54.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.61 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 39.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.73 ms. Allocated memory is still 71.3 MB. Free memory was 39.4 MB in the beginning and 36.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.15 ms. Allocated memory is still 71.3 MB. Free memory was 36.6 MB in the beginning and 34.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2294.14 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 34.2 MB in the beginning and 40.1 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3766.71 ms. Allocated memory is still 86.0 MB. Free memory was 39.3 MB in the beginning and 52.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Witness Printer took 109.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 46.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: 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, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3673.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 32.1ms, AutomataDifference: 298.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 272.2ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 311 SDtfs, 352 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 89.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 60.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 177.7ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 86.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 118.7ms SsaConstructionTime, 557.2ms SatisfiabilityAnalysisTime, 831.5ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:03:54,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f0383e-d981-4350-b327-b9264a1d2d4d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...