./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.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_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/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_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/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_f0defdad-2f14-4398-b52c-149ba48d61c2/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 9399fd1973c407bf1d8cb1f825eaeba76c4c394b ............................................................................................................................................ 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_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/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_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/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_f0defdad-2f14-4398-b52c-149ba48d61c2/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 9399fd1973c407bf1d8cb1f825eaeba76c4c394b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:55:07,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:07,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:07,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:07,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:07,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:07,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:07,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:07,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:07,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:07,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:07,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:07,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:07,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:07,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:07,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:07,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:07,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:07,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:07,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:07,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:07,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:07,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:07,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:07,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:07,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:07,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:07,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:07,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:07,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:07,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:07,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:07,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:07,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:07,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:07,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:07,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:07,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:07,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:07,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:07,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:07,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:55:07,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:07,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:07,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:07,906 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:07,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:07,907 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:07,907 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:55:07,908 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:07,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:07,908 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:55:07,908 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:55:07,909 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:07,909 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:55:07,909 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:55:07,910 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:55:07,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:07,911 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:55:07,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:55:07,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:55:07,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:07,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:55:07,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:07,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:55:07,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:07,913 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:55:07,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:55:07,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:07,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:55:07,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:07,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:07,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:07,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:07,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:07,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:55:07,916 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:55:07,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:55:07,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:55:07,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:07,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:07,918 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_f0defdad-2f14-4398-b52c-149ba48d61c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9399fd1973c407bf1d8cb1f825eaeba76c4c394b [2021-10-13 07:55:08,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:08,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:08,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:08,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:08,334 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:08,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-10-13 07:55:08,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/7f227ae82/894a4357e1a6481696d3c0b4503fe5ce/FLAGdd0885261 [2021-10-13 07:55:09,125 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:09,140 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-10-13 07:55:09,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/7f227ae82/894a4357e1a6481696d3c0b4503fe5ce/FLAGdd0885261 [2021-10-13 07:55:09,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/7f227ae82/894a4357e1a6481696d3c0b4503fe5ce [2021-10-13 07:55:09,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:09,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:09,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:09,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:09,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:09,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:09" (1/1) ... [2021-10-13 07:55:09,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfca1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:09, skipping insertion in model container [2021-10-13 07:55:09,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:09" (1/1) ... [2021-10-13 07:55:09,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:09,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:09,821 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_f0defdad-2f14-4398-b52c-149ba48d61c2/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16111,16124] [2021-10-13 07:55:09,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:55:09,847 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 07:55:09,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52b65815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:09, skipping insertion in model container [2021-10-13 07:55:09,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:09,850 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:55:09,854 INFO L168 Benchmark]: Toolchain (without parser) took 440.98 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.9 MB in the beginning and 91.2 MB in the end (delta: -38.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:09,855 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:09,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.76 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 91.2 MB in the end (delta: -38.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:09,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.76 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 91.2 MB in the end (delta: -38.5 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: 471]: 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 07:55:12,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:12,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:12,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:12,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:12,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:12,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:12,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:12,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:12,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:12,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:12,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:12,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:12,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:12,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:12,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:12,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:12,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:12,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:12,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:12,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:12,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:12,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:12,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:12,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:12,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:12,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:12,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:12,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:12,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:12,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:12,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:12,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:12,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:12,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:12,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:12,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:12,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:12,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:12,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:12,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:12,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:55:12,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:12,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:12,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:12,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:12,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:12,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:12,659 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:12,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:12,659 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:12,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:12,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:55:12,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:55:12,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:12,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:55:12,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:12,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:55:12,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:12,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:55:12,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:55:12,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:55:12,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:55:12,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:12,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:55:12,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:12,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:55:12,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:12,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:12,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:12,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:12,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:55:12,668 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:55:12,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:12,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:55:12,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:12,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:12,670 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_f0defdad-2f14-4398-b52c-149ba48d61c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9399fd1973c407bf1d8cb1f825eaeba76c4c394b [2021-10-13 07:55:13,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:13,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:13,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:13,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:13,169 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:13,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-10-13 07:55:13,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/c31fd7a7f/c18d2b08cc274e9f83d2330a0ed77dc8/FLAGa71103d45 [2021-10-13 07:55:13,905 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:13,906 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-10-13 07:55:13,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/c31fd7a7f/c18d2b08cc274e9f83d2330a0ed77dc8/FLAGa71103d45 [2021-10-13 07:55:14,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/data/c31fd7a7f/c18d2b08cc274e9f83d2330a0ed77dc8 [2021-10-13 07:55:14,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:14,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:14,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:14,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:14,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:14,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:14" (1/1) ... [2021-10-13 07:55:14,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c483b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:14, skipping insertion in model container [2021-10-13 07:55:14,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:14" (1/1) ... [2021-10-13 07:55:14,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:14,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:14,697 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_f0defdad-2f14-4398-b52c-149ba48d61c2/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16111,16124] [2021-10-13 07:55:14,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:55:14,750 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:55:14,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:14,895 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_f0defdad-2f14-4398-b52c-149ba48d61c2/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16111,16124] [2021-10-13 07:55:14,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:55:14,923 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:55:14,995 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_f0defdad-2f14-4398-b52c-149ba48d61c2/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16111,16124] [2021-10-13 07:55:15,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:55:15,026 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:55:15,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15 WrapperNode [2021-10-13 07:55:15,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:15,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:55:15,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:55:15,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:55:15,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:55:15,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:55:15,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:55:15,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:55:15,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:55:15,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:55:15,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:55:15,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:55:15,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (1/1) ... [2021-10-13 07:55:15,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:15,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:55:15,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:55:15,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:55:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:55:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:55:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:55:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:55:17,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:55:17,678 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-13 07:55:17,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:55:17 BoogieIcfgContainer [2021-10-13 07:55:17,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:55:17,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:55:17,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:55:17,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:55:17,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:55:14" (1/3) ... [2021-10-13 07:55:17,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c4b866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:55:17, skipping insertion in model container [2021-10-13 07:55:17,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:15" (2/3) ... [2021-10-13 07:55:17,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c4b866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:55:17, skipping insertion in model container [2021-10-13 07:55:17,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:55:17" (3/3) ... [2021-10-13 07:55:17,690 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2021-10-13 07:55:17,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:55:17,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:55:17,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:55:17,786 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 07:55:17,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:55:17,813 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 07:55:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:55:17,841 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:17,842 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:55:17,842 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 07:55:17,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:17,850 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-13 07:55:17,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:17,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017535802] [2021-10-13 07:55:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:17,872 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:17,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:17,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:17,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:55:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:18,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:55:18,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:18,300 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 07:55:18,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:18,379 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 07:55:18,380 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:18,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017535802] [2021-10-13 07:55:18,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017535802] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:18,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:18,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:55:18,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823867870] [2021-10-13 07:55:18,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:55:18,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:18,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:55:18,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:55:18,417 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 07:55:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:18,466 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-13 07:55:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:55:18,467 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 07:55:18,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:18,481 INFO L225 Difference]: With dead ends: 144 [2021-10-13 07:55:18,481 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 07:55:18,485 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 07:55:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 07:55:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 07:55:18,550 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 07:55:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-13 07:55:18,554 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-13 07:55:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:18,555 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-13 07:55:18,555 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 07:55:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-13 07:55:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:55:18,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:18,559 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 07:55:18,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:18,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:18,774 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 07:55:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:18,775 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-13 07:55:18,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:18,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523080140] [2021-10-13 07:55:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:18,776 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:18,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:18,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:18,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:55:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:18,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:55:19,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:19,095 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 07:55:19,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:19,174 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 07:55:19,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:19,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523080140] [2021-10-13 07:55:19,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523080140] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:19,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:19,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:55:19,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685128908] [2021-10-13 07:55:19,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:55:19,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:19,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:55:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:55:19,185 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 07:55:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:19,218 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-13 07:55:19,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:55:19,220 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 07:55:19,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:19,221 INFO L225 Difference]: With dead ends: 71 [2021-10-13 07:55:19,221 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:55:19,222 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:55:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:55:19,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:55:19,236 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 07:55:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-13 07:55:19,237 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-13 07:55:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:19,237 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-13 07:55:19,238 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 07:55:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-13 07:55:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:55:19,241 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:19,244 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 07:55:19,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:19,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:19,445 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 07:55:19,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:19,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-13 07:55:19,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:19,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863184945] [2021-10-13 07:55:19,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:19,448 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:19,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:19,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:19,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:55:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:19,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:55:19,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:19,770 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 07:55:19,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:19,861 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 07:55:19,861 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:19,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863184945] [2021-10-13 07:55:19,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863184945] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:19,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:19,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:55:19,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566821411] [2021-10-13 07:55:19,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:55:19,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:19,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:55:19,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:55:19,869 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 07:55:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:19,931 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-13 07:55:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:55:19,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 07:55:19,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:19,933 INFO L225 Difference]: With dead ends: 60 [2021-10-13 07:55:19,934 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:55:19,935 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:55:19,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:55:19,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:55:19,948 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 07:55:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-13 07:55:19,950 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-13 07:55:19,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:19,956 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 07:55:19,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 07:55:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-13 07:55:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:55:19,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:19,958 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 07:55:19,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:20,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:20,160 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 07:55:20,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:20,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-13 07:55:20,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:20,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817351507] [2021-10-13 07:55:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:20,162 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:20,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:20,163 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:20,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:55:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:20,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:55:20,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:20,583 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 07:55:20,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:20,704 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 07:55:20,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:20,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817351507] [2021-10-13 07:55:20,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817351507] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:20,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:20,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:55:20,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147869135] [2021-10-13 07:55:20,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:55:20,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:20,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:55:20,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:55:20,710 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 07:55:20,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:20,854 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-13 07:55:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:55:20,855 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 07:55:20,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:20,860 INFO L225 Difference]: With dead ends: 151 [2021-10-13 07:55:20,861 INFO L226 Difference]: Without dead ends: 124 [2021-10-13 07:55:20,862 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 73.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:55:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-13 07:55:20,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-13 07:55:20,891 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 07:55:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-13 07:55:20,892 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-13 07:55:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:20,893 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-13 07:55:20,894 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 07:55:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-13 07:55:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:55:20,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:20,897 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 07:55:20,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:21,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:21,113 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 07:55:21,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:21,114 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-10-13 07:55:21,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:21,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911126639] [2021-10-13 07:55:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:21,115 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:21,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:21,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:21,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:55:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:21,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:55:21,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:21,533 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 07:55:21,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:21,642 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 07:55:21,642 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:21,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911126639] [2021-10-13 07:55:21,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911126639] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:21,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:21,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:55:21,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774938297] [2021-10-13 07:55:21,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:55:21,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:55:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:55:21,645 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 07:55:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:21,748 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-13 07:55:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:55:21,749 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 07:55:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:21,749 INFO L225 Difference]: With dead ends: 148 [2021-10-13 07:55:21,749 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:55:21,751 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:55:21,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:55:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:55:21,751 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 07:55:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:55:21,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-13 07:55:21,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:21,752 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:55:21,753 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 07:55:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:55:21,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:55:21,756 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:55:21,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:55:21,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:55:21,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:21,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:21,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:55:21,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:55:22,381 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-10-13 07:55:22,381 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 429) no Hoare annotation was computed. [2021-10-13 07:55:22,381 INFO L853 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,382 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:55:22,382 INFO L853 garLoopResultBuilder]: At program point L862-1(lines 857 865) the Hoare annotation is: false [2021-10-13 07:55:22,382 INFO L853 garLoopResultBuilder]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2021-10-13 07:55:22,382 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:55:22,382 INFO L853 garLoopResultBuilder]: At program point L53-1(lines 1 906) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,382 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:55:22,383 INFO L853 garLoopResultBuilder]: At program point L53-3(lines 1 906) the Hoare annotation is: false [2021-10-13 07:55:22,383 INFO L857 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-13 07:55:22,383 INFO L853 garLoopResultBuilder]: At program point L53-5(lines 1 906) the Hoare annotation is: false [2021-10-13 07:55:22,383 INFO L857 garLoopResultBuilder]: For program point L813(line 813) no Hoare annotation was computed. [2021-10-13 07:55:22,383 INFO L857 garLoopResultBuilder]: For program point L813-1(line 813) no Hoare annotation was computed. [2021-10-13 07:55:22,383 INFO L857 garLoopResultBuilder]: For program point L813-2(line 813) no Hoare annotation was computed. [2021-10-13 07:55:22,383 INFO L853 garLoopResultBuilder]: At program point L434(lines 385 435) the Hoare annotation is: false [2021-10-13 07:55:22,384 INFO L853 garLoopResultBuilder]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,384 INFO L853 garLoopResultBuilder]: At program point L121-2(lines 121 135) the Hoare annotation is: false [2021-10-13 07:55:22,384 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-13 07:55:22,384 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-10-13 07:55:22,384 INFO L860 garLoopResultBuilder]: At program point L205(lines 186 208) the Hoare annotation is: true [2021-10-13 07:55:22,384 INFO L853 garLoopResultBuilder]: At program point L172(lines 168 174) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L387(lines 386 433) no Hoare annotation was computed. [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 272) no Hoare annotation was computed. [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L255-1(lines 255 272) no Hoare annotation was computed. [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L255-2(lines 255 272) no Hoare annotation was computed. [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:55:22,385 INFO L857 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-13 07:55:22,386 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-10-13 07:55:22,386 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:55:22,386 INFO L853 garLoopResultBuilder]: At program point L223(lines 222 241) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,386 INFO L857 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2021-10-13 07:55:22,386 INFO L853 garLoopResultBuilder]: At program point L223-2(lines 222 241) the Hoare annotation is: false [2021-10-13 07:55:22,386 INFO L853 garLoopResultBuilder]: At program point L223-3(lines 222 241) the Hoare annotation is: false [2021-10-13 07:55:22,387 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-10-13 07:55:22,387 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 223 229) no Hoare annotation was computed. [2021-10-13 07:55:22,387 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-10-13 07:55:22,387 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:55:22,387 INFO L853 garLoopResultBuilder]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,387 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-13 07:55:22,388 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2021-10-13 07:55:22,388 INFO L857 garLoopResultBuilder]: For program point L357-3(lines 357 361) no Hoare annotation was computed. [2021-10-13 07:55:22,388 INFO L857 garLoopResultBuilder]: For program point L357-5(lines 357 361) no Hoare annotation was computed. [2021-10-13 07:55:22,394 INFO L857 garLoopResultBuilder]: For program point L357-6(lines 357 361) no Hoare annotation was computed. [2021-10-13 07:55:22,394 INFO L857 garLoopResultBuilder]: For program point L357-8(lines 357 361) no Hoare annotation was computed. [2021-10-13 07:55:22,396 INFO L853 garLoopResultBuilder]: At program point L308(lines 303 311) 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 07:55:22,397 INFO L853 garLoopResultBuilder]: At program point L308-1(lines 303 311) the Hoare annotation is: false [2021-10-13 07:55:22,397 INFO L853 garLoopResultBuilder]: At program point L308-2(lines 303 311) the Hoare annotation is: false [2021-10-13 07:55:22,397 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-13 07:55:22,397 INFO L853 garLoopResultBuilder]: At program point L903(lines 898 906) the Hoare annotation is: false [2021-10-13 07:55:22,398 INFO L853 garLoopResultBuilder]: At program point L424-2(lines 223 229) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,398 INFO L853 garLoopResultBuilder]: At program point L903-1(lines 898 906) the Hoare annotation is: false [2021-10-13 07:55:22,401 INFO L857 garLoopResultBuilder]: For program point L837(lines 837 841) no Hoare annotation was computed. [2021-10-13 07:55:22,403 INFO L853 garLoopResultBuilder]: At program point L903-2(lines 898 906) the Hoare annotation is: false [2021-10-13 07:55:22,405 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 267) no Hoare annotation was computed. [2021-10-13 07:55:22,405 INFO L857 garLoopResultBuilder]: For program point L259-1(lines 259 267) no Hoare annotation was computed. [2021-10-13 07:55:22,406 INFO L857 garLoopResultBuilder]: For program point L259-2(lines 259 267) no Hoare annotation was computed. [2021-10-13 07:55:22,406 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:55:22,406 INFO L853 garLoopResultBuilder]: At program point L96(lines 1 906) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,406 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 203) no Hoare annotation was computed. [2021-10-13 07:55:22,407 INFO L860 garLoopResultBuilder]: At program point L196-1(lines 196 203) the Hoare annotation is: true [2021-10-13 07:55:22,407 INFO L853 garLoopResultBuilder]: At program point L230(lines 230 236) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,411 INFO L853 garLoopResultBuilder]: At program point L230-1(lines 230 236) the Hoare annotation is: false [2021-10-13 07:55:22,412 INFO L853 garLoopResultBuilder]: At program point L230-2(lines 230 236) the Hoare annotation is: false [2021-10-13 07:55:22,412 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:55:22,412 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed. [2021-10-13 07:55:22,413 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-10-13 07:55:22,413 INFO L857 garLoopResultBuilder]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2021-10-13 07:55:22,413 INFO L857 garLoopResultBuilder]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2021-10-13 07:55:22,413 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-10-13 07:55:22,414 INFO L853 garLoopResultBuilder]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:55:22,414 INFO L853 garLoopResultBuilder]: At program point L363(lines 348 366) the Hoare annotation is: false [2021-10-13 07:55:22,414 INFO L853 garLoopResultBuilder]: At program point L363-1(lines 348 366) the Hoare annotation is: false [2021-10-13 07:55:22,414 INFO L853 garLoopResultBuilder]: At program point L363-2(lines 348 366) the Hoare annotation is: false [2021-10-13 07:55:22,422 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:55:22,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:55:22 BoogieIcfgContainer [2021-10-13 07:55:22,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:55:22,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:55:22,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:55:22,458 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:55:22,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:55:17" (3/4) ... [2021-10-13 07:55:22,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:55:22,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:55:22,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:55:22,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:55:22,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:55:22,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:55:22,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:55:22,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:55:22,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:55:22,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:55:22,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:55:22,606 INFO L168 Benchmark]: Toolchain (without parser) took 8435.29 ms. Allocated memory was 65.0 MB in the beginning and 98.6 MB in the end (delta: 33.6 MB). Free memory was 42.8 MB in the beginning and 57.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,607 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:22,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.52 ms. Allocated memory is still 65.0 MB. Free memory was 42.6 MB in the beginning and 32.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.54 ms. Allocated memory is still 65.0 MB. Free memory was 32.5 MB in the beginning and 29.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,609 INFO L168 Benchmark]: Boogie Preprocessor took 83.37 ms. Allocated memory is still 65.0 MB. Free memory was 29.6 MB in the beginning and 27.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,610 INFO L168 Benchmark]: RCFGBuilder took 2470.75 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 58.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,610 INFO L168 Benchmark]: TraceAbstraction took 4774.34 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 58.1 MB in the beginning and 63.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,611 INFO L168 Benchmark]: Witness Printer took 147.34 ms. Allocated memory is still 98.6 MB. Free memory was 63.7 MB in the beginning and 57.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:22,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 853.52 ms. Allocated memory is still 65.0 MB. Free memory was 42.6 MB in the beginning and 32.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.54 ms. Allocated memory is still 65.0 MB. Free memory was 32.5 MB in the beginning and 29.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.37 ms. Allocated memory is still 65.0 MB. Free memory was 29.6 MB in the beginning and 27.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2470.75 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 58.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4774.34 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 58.1 MB in the beginning and 63.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. * Witness Printer took 147.34 ms. Allocated memory is still 98.6 MB. Free memory was 63.7 MB in the beginning and 57.5 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: 813]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 813]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 813]: 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: 4648.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 40.7ms, AutomataDifference: 468.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 411.9ms, InitialAbstractionConstructionTime: 19.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 311 SDtfs, 367 SDslu, 269 SDs, 0 SdLazy, 39 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 128.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 132.3ms 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: 110.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1295 FormulaSimplificationTreeSizeReduction, 269.3ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 132.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 130.2ms SsaConstructionTime, 714.4ms SatisfiabilityAnalysisTime, 1165.8ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 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: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:55:22,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0defdad-2f14-4398-b52c-149ba48d61c2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...