./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE --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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb ............................................................................................................................................ 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_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE --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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:39:54,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:39:54,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:39:54,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:39:54,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:39:54,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:39:54,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:39:54,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:39:54,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:39:54,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:39:54,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:39:54,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:39:54,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:39:54,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:39:54,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:39:54,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:39:54,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:39:54,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:39:54,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:39:54,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:39:54,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:39:54,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:39:54,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:39:54,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:39:54,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:39:54,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:39:54,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:39:54,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:39:54,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:39:54,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:39:54,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:39:54,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:39:54,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:39:54,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:39:54,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:39:54,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:39:54,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:39:54,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:39:54,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:39:54,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:39:54,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:39:54,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:39:54,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:39:54,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:39:54,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:39:54,946 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:39:54,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:39:54,947 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:39:54,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:39:54,947 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:39:54,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:39:54,948 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:39:54,948 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:39:54,948 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:39:54,948 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:39:54,949 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:39:54,949 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:39:54,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:39:54,950 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:39:54,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:39:54,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:39:54,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:39:54,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:39:54,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:39:54,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:39:54,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:39:54,952 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:39:54,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:39:54,952 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:39:54,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:39:54,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:39:54,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:39:54,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:39:54,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:39:54,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:39:54,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:39:54,954 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:39:54,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:39:54,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:39:54,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:39:54,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:39:54,955 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_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2021-10-24 10:39:55,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:39:55,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:39:55,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:39:55,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:39:55,227 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:39:55,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-24 10:39:55,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/31b58bda3/c48803870cbd4902956f673263e463c3/FLAGa75587f3e [2021-10-24 10:39:55,800 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:39:55,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-24 10:39:55,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/31b58bda3/c48803870cbd4902956f673263e463c3/FLAGa75587f3e [2021-10-24 10:39:56,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/31b58bda3/c48803870cbd4902956f673263e463c3 [2021-10-24 10:39:56,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:39:56,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:39:56,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:39:56,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:39:56,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:39:56,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:39:56" (1/1) ... [2021-10-24 10:39:56,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ba70ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:56, skipping insertion in model container [2021-10-24 10:39:56,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:39:56" (1/1) ... [2021-10-24 10:39:56,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:39:56,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:39:56,486 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_e460c516-dc68-4326-bd16-23636367aed4/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-24 10:39:56,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:39:56,584 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) [2021-10-24 10:39:56,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27bea6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:39:56, skipping insertion in model container [2021-10-24 10:39:56,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:39:56,585 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:39:56,588 INFO L168 Benchmark]: Toolchain (without parser) took 441.33 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 70.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:56,590 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 76.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:39:56,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.87 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 70.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:39:56,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 76.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.87 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 70.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 116]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:39:58,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:39:58,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:39:58,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:39:58,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:39:58,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:39:58,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:39:58,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:39:58,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:39:58,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:39:58,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:39:58,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:39:58,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:39:58,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:39:58,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:39:58,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:39:58,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:39:58,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:39:58,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:39:58,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:39:58,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:39:58,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:39:58,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:39:58,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:39:58,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:39:58,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:39:58,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:39:58,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:39:58,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:39:58,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:39:58,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:39:58,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:39:58,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:39:58,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:39:58,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:39:58,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:39:58,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:39:58,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:39:58,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:39:58,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:39:58,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:39:59,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:39:59,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:39:59,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:39:59,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:39:59,048 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:39:59,048 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:39:59,048 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:39:59,049 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:39:59,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:39:59,049 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:39:59,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:39:59,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:39:59,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:39:59,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:39:59,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:39:59,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:39:59,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:39:59,054 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:39:59,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:39:59,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:39:59,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:39:59,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:39:59,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:39:59,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:39:59,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:39:59,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:39:59,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:39:59,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:39:59,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:39:59,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:39:59,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:39:59,057 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:39:59,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:39:59,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:39:59,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:39:59,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:39:59,059 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_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2021-10-24 10:39:59,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:39:59,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:39:59,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:39:59,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:39:59,545 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:39:59,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-24 10:39:59,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/a1ff91779/ad492ad0cb65461fa198e672cc941c95/FLAG577040f78 [2021-10-24 10:40:00,265 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:40:00,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-24 10:40:00,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/a1ff91779/ad492ad0cb65461fa198e672cc941c95/FLAG577040f78 [2021-10-24 10:40:00,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/data/a1ff91779/ad492ad0cb65461fa198e672cc941c95 [2021-10-24 10:40:00,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:40:00,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:40:00,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:40:00,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:40:00,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:40:00,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:40:00" (1/1) ... [2021-10-24 10:40:00,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fc71af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:00, skipping insertion in model container [2021-10-24 10:40:00,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:40:00" (1/1) ... [2021-10-24 10:40:00,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:40:00,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:40:00,916 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_e460c516-dc68-4326-bd16-23636367aed4/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-24 10:40:00,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:40:00,989 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:40:00,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:40:01,042 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_e460c516-dc68-4326-bd16-23636367aed4/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-24 10:40:01,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:40:01,079 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:40:01,131 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_e460c516-dc68-4326-bd16-23636367aed4/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-24 10:40:01,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:40:01,219 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:40:01,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01 WrapperNode [2021-10-24 10:40:01,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:40:01,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:40:01,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:40:01,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:40:01,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:40:01,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:40:01,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:40:01,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:40:01,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:40:01,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:40:01,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:40:01,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:40:01,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (1/1) ... [2021-10-24 10:40:01,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:40:01,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:40:01,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:40:01,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:40:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:40:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:40:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:40:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:40:03,666 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:40:03,670 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-24 10:40:03,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:40:03 BoogieIcfgContainer [2021-10-24 10:40:03,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:40:03,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:40:03,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:40:03,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:40:03,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:40:00" (1/3) ... [2021-10-24 10:40:03,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447b312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:40:03, skipping insertion in model container [2021-10-24 10:40:03,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:40:01" (2/3) ... [2021-10-24 10:40:03,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447b312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:40:03, skipping insertion in model container [2021-10-24 10:40:03,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:40:03" (3/3) ... [2021-10-24 10:40:03,682 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2021-10-24 10:40:03,688 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:40:03,688 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:40:03,750 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:40:03,760 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:40:03,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:40:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 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) [2021-10-24 10:40:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:40:03,807 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:40:03,808 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:40:03,808 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:40:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:40:03,815 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2021-10-24 10:40:03,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:40:03,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052979513] [2021-10-24 10:40:03,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:40:03,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:40:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:40:03,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:40:03,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:40:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:40:04,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:40:04,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:40:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:04,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:40:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:04,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:40:04,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052979513] [2021-10-24 10:40:04,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052979513] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:40:04,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:40:04,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:40:04,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953314111] [2021-10-24 10:40:04,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:40:04,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:40:04,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:40:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:40:04,313 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:04,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:40:04,339 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2021-10-24 10:40:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:40:04,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:40:04,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:40:04,349 INFO L225 Difference]: With dead ends: 143 [2021-10-24 10:40:04,349 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 10:40:04,352 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:40:04,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 10:40:04,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 10:40:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4705882352941178) internal successors, (100), 70 states have internal predecessors, (100), 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) [2021-10-24 10:40:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2021-10-24 10:40:04,390 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2021-10-24 10:40:04,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:40:04,391 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2021-10-24 10:40:04,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-10-24 10:40:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:40:04,392 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:40:04,392 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:40:04,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:40:04,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:40:04,594 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:40:04,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:40:04,594 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2021-10-24 10:40:04,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:40:04,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670526042] [2021-10-24 10:40:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:40:04,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:40:04,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:40:04,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:40:04,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:40:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:40:04,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:40:04,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:40:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:04,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:40:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:04,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:40:04,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670526042] [2021-10-24 10:40:04,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670526042] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:40:04,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:40:04,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:40:04,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447321967] [2021-10-24 10:40:04,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:40:04,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:40:04,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:40:04,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:40:04,937 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:40:04,949 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-10-24 10:40:04,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:40:04,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:40:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:40:04,954 INFO L225 Difference]: With dead ends: 71 [2021-10-24 10:40:04,954 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:40:04,955 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:40:04,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:40:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:40:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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) [2021-10-24 10:40:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:40:04,970 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 10:40:04,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:40:04,970 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:40:04,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:40:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:40:04,972 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:40:04,972 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] [2021-10-24 10:40:04,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:40:05,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:40:05,185 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:40:05,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:40:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2021-10-24 10:40:05,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:40:05,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112487058] [2021-10-24 10:40:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:40:05,199 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:40:05,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:40:05,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:40:05,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:40:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:40:05,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:40:05,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:40:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:05,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:40:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:05,573 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:40:05,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112487058] [2021-10-24 10:40:05,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112487058] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:40:05,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:40:05,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:40:05,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840902804] [2021-10-24 10:40:05,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:40:05,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:40:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:40:05,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:40:05,581 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:05,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:40:05,645 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2021-10-24 10:40:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:40:05,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:40:05,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:40:05,651 INFO L225 Difference]: With dead ends: 115 [2021-10-24 10:40:05,651 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 10:40:05,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:40:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 10:40:05,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2021-10-24 10:40:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 54 states have internal predecessors, (80), 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) [2021-10-24 10:40:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2021-10-24 10:40:05,672 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2021-10-24 10:40:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:40:05,672 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2021-10-24 10:40:05,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-10-24 10:40:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:40:05,675 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:40:05,675 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, 1] [2021-10-24 10:40:05,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:40:05,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:40:05,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:40:05,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:40:05,904 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2021-10-24 10:40:05,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:40:05,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460664784] [2021-10-24 10:40:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:40:05,905 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:40:05,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:40:05,906 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:40:05,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:40:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:40:06,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:40:06,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:40:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:06,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:40:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:06,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:40:06,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460664784] [2021-10-24 10:40:06,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460664784] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:40:06,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:40:06,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:40:06,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782711676] [2021-10-24 10:40:06,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:40:06,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:40:06,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:40:06,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:40:06,315 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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) [2021-10-24 10:40:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:40:06,441 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2021-10-24 10:40:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:40:06,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-10-24 10:40:06,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:40:06,445 INFO L225 Difference]: With dead ends: 242 [2021-10-24 10:40:06,445 INFO L226 Difference]: Without dead ends: 194 [2021-10-24 10:40:06,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:40:06,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-24 10:40:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2021-10-24 10:40:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 94 states have internal predecessors, (138), 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) [2021-10-24 10:40:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2021-10-24 10:40:06,485 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2021-10-24 10:40:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:40:06,485 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2021-10-24 10:40:06,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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) [2021-10-24 10:40:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2021-10-24 10:40:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:40:06,487 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:40:06,487 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, 1, 1] [2021-10-24 10:40:06,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:40:06,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:40:06,688 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:40:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:40:06,688 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2021-10-24 10:40:06,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:40:06,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843148324] [2021-10-24 10:40:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:40:06,689 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:40:06,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:40:06,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:40:06,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:40:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:40:06,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:40:06,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:40:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:06,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:40:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:40:07,055 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:40:07,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843148324] [2021-10-24 10:40:07,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843148324] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:40:07,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:40:07,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:40:07,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103523715] [2021-10-24 10:40:07,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:40:07,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:40:07,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:40:07,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:40:07,062 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:07,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:40:07,171 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2021-10-24 10:40:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:40:07,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:40:07,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:40:07,172 INFO L225 Difference]: With dead ends: 285 [2021-10-24 10:40:07,172 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:40:07,176 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:40:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:40:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:40:07,178 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) [2021-10-24 10:40:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:40:07,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-24 10:40:07,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:40:07,179 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:40:07,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:40:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:40:07,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:40:07,181 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:40:07,182 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:40:07,182 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:40:07,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:40:07,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:40:07,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:40:07,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:40:07,840 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-10-24 10:40:07,840 INFO L853 garLoopResultBuilder]: At program point L663(lines 662 681) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,840 INFO L857 garLoopResultBuilder]: For program point L663-1(lines 663 669) no Hoare annotation was computed. [2021-10-24 10:40:07,840 INFO L853 garLoopResultBuilder]: At program point L663-2(lines 662 681) the Hoare annotation is: false [2021-10-24 10:40:07,841 INFO L853 garLoopResultBuilder]: At program point L663-3(lines 662 681) the Hoare annotation is: false [2021-10-24 10:40:07,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:40:07,841 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-24 10:40:07,841 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 663 669) no Hoare annotation was computed. [2021-10-24 10:40:07,841 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-10-24 10:40:07,841 INFO L853 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,841 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2021-10-24 10:40:07,841 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2021-10-24 10:40:07,841 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 760 768) the Hoare annotation is: false [2021-10-24 10:40:07,842 INFO L857 garLoopResultBuilder]: For program point L699-1(lines 699 707) no Hoare annotation was computed. [2021-10-24 10:40:07,842 INFO L857 garLoopResultBuilder]: For program point L699-2(lines 699 707) no Hoare annotation was computed. [2021-10-24 10:40:07,842 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2021-10-24 10:40:07,842 INFO L853 garLoopResultBuilder]: At program point L915-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,842 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-24 10:40:07,842 INFO L857 garLoopResultBuilder]: For program point L915-2(lines 915 932) no Hoare annotation was computed. [2021-10-24 10:40:07,842 INFO L853 garLoopResultBuilder]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,842 INFO L853 garLoopResultBuilder]: At program point L915-3(lines 1 935) the Hoare annotation is: false [2021-10-24 10:40:07,842 INFO L857 garLoopResultBuilder]: For program point L915-4(lines 915 932) no Hoare annotation was computed. [2021-10-24 10:40:07,843 INFO L853 garLoopResultBuilder]: At program point L915-5(lines 1 935) the Hoare annotation is: false [2021-10-24 10:40:07,843 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-10-24 10:40:07,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:40:07,843 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-10-24 10:40:07,843 INFO L860 garLoopResultBuilder]: At program point L636-1(lines 636 643) the Hoare annotation is: true [2021-10-24 10:40:07,843 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 935) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,843 INFO L853 garLoopResultBuilder]: At program point L670(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,843 INFO L853 garLoopResultBuilder]: At program point L670-1(lines 670 676) the Hoare annotation is: false [2021-10-24 10:40:07,843 INFO L853 garLoopResultBuilder]: At program point L670-2(lines 670 676) the Hoare annotation is: false [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L919-2(lines 919 929) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L919-4(lines 919 929) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 926) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 926) no Hoare annotation was computed. [2021-10-24 10:40:07,844 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-24 10:40:07,845 INFO L857 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2021-10-24 10:40:07,845 INFO L853 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,845 INFO L857 garLoopResultBuilder]: For program point L458-2(line 458) no Hoare annotation was computed. [2021-10-24 10:40:07,845 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-24 10:40:07,845 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-10-24 10:40:07,845 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-10-24 10:40:07,848 INFO L853 garLoopResultBuilder]: At program point L756(lines 749 759) the Hoare annotation is: false [2021-10-24 10:40:07,848 INFO L853 garLoopResultBuilder]: At program point L756-1(lines 749 759) the Hoare annotation is: false [2021-10-24 10:40:07,848 INFO L853 garLoopResultBuilder]: At program point L756-2(lines 749 759) the Hoare annotation is: false [2021-10-24 10:40:07,851 INFO L853 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-10-24 10:40:07,852 INFO L857 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-10-24 10:40:07,853 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-10-24 10:40:07,854 INFO L853 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,854 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:40:07,855 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-10-24 10:40:07,855 INFO L853 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: false [2021-10-24 10:40:07,855 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2021-10-24 10:40:07,855 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 809 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,855 INFO L853 garLoopResultBuilder]: At program point L512(lines 507 515) the Hoare annotation is: false [2021-10-24 10:40:07,856 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 507 515) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,856 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 507 515) the Hoare annotation is: false [2021-10-24 10:40:07,856 INFO L853 garLoopResultBuilder]: At program point L512-3(lines 507 515) the Hoare annotation is: false [2021-10-24 10:40:07,856 INFO L853 garLoopResultBuilder]: At program point L512-4(lines 507 515) the Hoare annotation is: false [2021-10-24 10:40:07,856 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-10-24 10:40:07,857 INFO L853 garLoopResultBuilder]: At program point L512-5(lines 507 515) the Hoare annotation is: false [2021-10-24 10:40:07,857 INFO L853 garLoopResultBuilder]: At program point L859-1(lines 859 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,857 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,857 INFO L857 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-10-24 10:40:07,857 INFO L860 garLoopResultBuilder]: At program point L645(lines 626 648) the Hoare annotation is: true [2021-10-24 10:40:07,859 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2021-10-24 10:40:07,859 INFO L857 garLoopResultBuilder]: For program point L695-1(lines 695 712) no Hoare annotation was computed. [2021-10-24 10:40:07,861 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2021-10-24 10:40:07,861 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-10-24 10:40:07,861 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 663 669) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:40:07,866 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:40:07,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:40:07 BoogieIcfgContainer [2021-10-24 10:40:07,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:40:07,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:40:07,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:40:07,902 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:40:07,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:40:03" (3/4) ... [2021-10-24 10:40:07,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:40:07,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:40:07,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:40:07,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:40:07,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:40:07,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:40:07,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:40:07,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:40:07,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 10:40:08,024 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:40:08,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:40:08,027 INFO L168 Benchmark]: Toolchain (without parser) took 7479.63 ms. Allocated memory was 52.4 MB in the beginning and 88.1 MB in the end (delta: 35.7 MB). Free memory was 28.4 MB in the beginning and 37.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,027 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:40:08,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.95 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 37.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 69.2 MB. Free memory was 37.2 MB in the beginning and 49.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,029 INFO L168 Benchmark]: Boogie Preprocessor took 42.86 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 46.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,030 INFO L168 Benchmark]: RCFGBuilder took 2330.77 ms. Allocated memory is still 69.2 MB. Free memory was 46.9 MB in the beginning and 36.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,030 INFO L168 Benchmark]: TraceAbstraction took 4225.90 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 36.3 MB in the beginning and 43.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,031 INFO L168 Benchmark]: Witness Printer took 123.07 ms. Allocated memory is still 88.1 MB. Free memory was 43.4 MB in the beginning and 37.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:40:08,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 672.95 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 37.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 69.2 MB. Free memory was 37.2 MB in the beginning and 49.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.86 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 46.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2330.77 ms. Allocated memory is still 69.2 MB. Free memory was 46.9 MB in the beginning and 36.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4225.90 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 36.3 MB in the beginning and 43.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Witness Printer took 123.07 ms. Allocated memory is still 88.1 MB. Free memory was 43.4 MB in the beginning and 37.1 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: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 458]: 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: 4117.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 37.0ms, AutomataDifference: 401.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 436.9ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 325 SDtfs, 399 SDslu, 391 SDs, 0 SdLazy, 68 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 113.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 91.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 96.4ms AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 327.9ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 98.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 120.5ms SsaConstructionTime, 590.9ms SatisfiabilityAnalysisTime, 813.1ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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: 809]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:40:08,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e460c516-dc68-4326-bd16-23636367aed4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...