./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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 a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 ............................................................................................................................................ 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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 a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:19:04,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:19:04,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:19:04,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:19:04,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:19:04,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:19:04,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:19:04,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:19:04,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:19:04,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:19:04,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:19:04,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:19:04,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:19:04,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:19:04,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:19:04,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:19:04,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:19:04,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:19:04,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:19:04,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:19:04,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:19:04,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:19:04,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:19:04,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:19:04,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:19:04,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:19:04,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:19:04,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:19:04,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:19:04,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:19:04,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:19:04,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:19:04,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:19:04,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:19:04,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:19:04,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:19:04,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:19:04,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:19:04,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:19:04,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:19:04,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:19:04,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:19:05,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:19:05,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:19:05,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:19:05,002 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:19:05,002 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:19:05,003 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:19:05,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:19:05,003 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:19:05,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:19:05,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:19:05,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:19:05,004 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:19:05,005 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:19:05,005 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:19:05,005 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:19:05,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:19:05,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:19:05,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:19:05,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:19:05,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:19:05,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:19:05,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:19:05,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:19:05,008 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:19:05,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:19:05,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:19:05,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:19:05,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:19:05,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:19:05,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:19:05,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:19:05,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:19:05,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:19:05,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:19:05,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:19:05,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:19:05,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:19:05,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:19:05,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:19:05,012 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 [2021-10-24 11:19:05,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:19:05,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:19:05,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:19:05,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:19:05,371 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:19:05,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-10-24 11:19:05,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/eba194718/4aed5f434ffe4d2dae5094bc0e82cedf/FLAG797795559 [2021-10-24 11:19:06,090 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:19:06,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-10-24 11:19:06,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/eba194718/4aed5f434ffe4d2dae5094bc0e82cedf/FLAG797795559 [2021-10-24 11:19:06,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/eba194718/4aed5f434ffe4d2dae5094bc0e82cedf [2021-10-24 11:19:06,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:19:06,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:19:06,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:06,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:19:06,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:19:06,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:06" (1/1) ... [2021-10-24 11:19:06,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ac29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:06, skipping insertion in model container [2021-10-24 11:19:06,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:06" (1/1) ... [2021-10-24 11:19:06,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:19:06,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:19:06,619 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2021-10-24 11:19:06,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:06,746 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 11:19:06,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55889255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:06, skipping insertion in model container [2021-10-24 11:19:06,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:06,748 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:19:06,750 INFO L168 Benchmark]: Toolchain (without parser) took 377.31 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 82.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:06,751 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 81.7 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:19:06,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.52 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 82.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:06,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 81.7 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.52 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 82.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 226]: 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 11:19:09,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:19:09,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:19:09,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:19:09,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:19:09,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:19:09,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:19:09,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:19:09,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:19:09,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:19:09,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:19:09,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:19:09,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:19:09,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:19:09,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:19:09,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:19:09,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:19:09,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:19:09,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:19:09,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:19:09,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:19:09,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:19:09,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:19:09,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:19:09,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:19:09,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:19:09,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:19:09,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:19:09,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:19:09,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:19:09,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:19:09,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:19:09,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:19:09,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:19:09,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:19:09,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:19:09,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:19:09,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:19:09,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:19:09,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:19:09,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:19:09,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:19:09,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:19:09,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:19:09,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:19:09,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:19:09,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:19:09,200 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:19:09,200 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:19:09,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:19:09,201 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:19:09,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:19:09,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:19:09,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:19:09,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:19:09,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:19:09,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:19:09,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:19:09,203 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:19:09,203 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:19:09,204 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:19:09,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:19:09,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:19:09,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:19:09,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:19:09,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:19:09,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:19:09,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:19:09,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:19:09,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:19:09,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:19:09,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:19:09,206 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:19:09,206 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:19:09,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:19:09,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:19:09,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:19:09,207 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 [2021-10-24 11:19:09,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:19:09,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:19:09,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:19:09,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:19:09,663 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:19:09,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-10-24 11:19:09,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/3e5cb2b34/593ee44090f24ef5ba81df9fa7cc0ab8/FLAGdbb706219 [2021-10-24 11:19:10,320 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:19:10,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-10-24 11:19:10,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/3e5cb2b34/593ee44090f24ef5ba81df9fa7cc0ab8/FLAGdbb706219 [2021-10-24 11:19:10,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/data/3e5cb2b34/593ee44090f24ef5ba81df9fa7cc0ab8 [2021-10-24 11:19:10,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:19:10,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:19:10,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:10,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:19:10,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:19:10,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:10" (1/1) ... [2021-10-24 11:19:10,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7225d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:10, skipping insertion in model container [2021-10-24 11:19:10,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:10" (1/1) ... [2021-10-24 11:19:10,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:19:10,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:19:10,823 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2021-10-24 11:19:10,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:11,003 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:19:11,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:19:11,030 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2021-10-24 11:19:11,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:11,151 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:19:11,173 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_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2021-10-24 11:19:11,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:11,262 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:19:11,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11 WrapperNode [2021-10-24 11:19:11,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:11,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:19:11,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:19:11,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:19:11,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:19:11,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:19:11,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:19:11,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:19:11,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:19:11,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:19:11,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:19:11,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:19:11,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (1/1) ... [2021-10-24 11:19:11,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:19:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:19:11,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:19:11,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:19:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:19:13,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:19:13,646 INFO L299 CfgBuilder]: Removed 106 assume(true) statements. [2021-10-24 11:19:13,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:19:13 BoogieIcfgContainer [2021-10-24 11:19:13,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:19:13,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:19:13,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:19:13,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:19:13,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:19:10" (1/3) ... [2021-10-24 11:19:13,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81e0f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:19:13, skipping insertion in model container [2021-10-24 11:19:13,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:11" (2/3) ... [2021-10-24 11:19:13,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81e0f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:19:13, skipping insertion in model container [2021-10-24 11:19:13,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:19:13" (3/3) ... [2021-10-24 11:19:13,658 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2021-10-24 11:19:13,663 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:19:13,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:19:13,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:19:13,720 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 11:19:13,720 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:19:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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 11:19:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 11:19:13,761 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:13,761 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 11:19:13,762 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 11:19:13,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:13,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2021-10-24 11:19:13,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:13,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594507146] [2021-10-24 11:19:13,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:13,787 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:13,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:13,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:19:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:14,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:19:14,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:14,171 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 11:19:14,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:14,251 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 11:19:14,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:14,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594507146] [2021-10-24 11:19:14,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594507146] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:14,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:14,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:19:14,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151498016] [2021-10-24 11:19:14,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:19:14,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:14,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:19:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:19:14,282 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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 11:19:14,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:14,318 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-24 11:19:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:19:14,320 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 11:19:14,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:14,329 INFO L225 Difference]: With dead ends: 148 [2021-10-24 11:19:14,330 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 11:19:14,333 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 11:19:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 11:19:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 11:19:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 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 11:19:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-24 11:19:14,378 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-24 11:19:14,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:14,379 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-24 11:19:14,379 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 11:19:14,379 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-24 11:19:14,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 11:19:14,380 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:14,381 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 11:19:14,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:14,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:14,593 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 11:19:14,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:14,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2021-10-24 11:19:14,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:14,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197479123] [2021-10-24 11:19:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:14,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:14,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:14,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:19:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:14,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:19:14,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:14,905 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 11:19:14,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:14,988 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 11:19:14,989 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:14,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197479123] [2021-10-24 11:19:14,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197479123] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:14,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:14,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:19:14,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537195179] [2021-10-24 11:19:14,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:19:14,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:14,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:19:14,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:14,998 INFO L87 Difference]: Start difference. First operand 73 states and 102 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 11:19:15,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:15,027 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-24 11:19:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:19:15,028 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 11:19:15,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:15,029 INFO L225 Difference]: With dead ends: 73 [2021-10-24 11:19:15,029 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 11:19:15,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 11:19:15,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 11:19:15,035 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 11:19:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 11:19:15,036 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 11:19:15,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:15,036 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 11:19:15,036 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 11:19:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 11:19:15,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:19:15,037 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:15,038 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 11:19:15,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:15,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:15,250 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 11:19:15,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:15,251 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2021-10-24 11:19:15,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:15,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389545877] [2021-10-24 11:19:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:15,252 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:15,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:15,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:15,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:19:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:15,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:19:15,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:15,565 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 11:19:15,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:15,678 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 11:19:15,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:15,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389545877] [2021-10-24 11:19:15,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389545877] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:15,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:15,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:19:15,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954310391] [2021-10-24 11:19:15,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:19:15,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:15,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:19:15,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:15,681 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 11:19:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:15,706 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2021-10-24 11:19:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:19:15,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 11:19:15,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:15,708 INFO L225 Difference]: With dead ends: 118 [2021-10-24 11:19:15,709 INFO L226 Difference]: Without dead ends: 89 [2021-10-24 11:19:15,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-24 11:19:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2021-10-24 11:19:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 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 11:19:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-24 11:19:15,720 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2021-10-24 11:19:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:15,721 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-24 11:19:15,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 11:19:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-24 11:19:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 11:19:15,723 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:15,723 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 11:19:15,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:15,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:15,942 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 11:19:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:15,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2021-10-24 11:19:15,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:15,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39695714] [2021-10-24 11:19:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:15,944 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:15,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:15,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:15,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:19:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:16,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:19:16,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:16,351 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 11:19:16,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:16,481 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 11:19:16,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:16,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39695714] [2021-10-24 11:19:16,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39695714] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:16,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:16,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 11:19:16,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892135713] [2021-10-24 11:19:16,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:19:16,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:16,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:19:16,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:19:16,484 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 11:19:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:16,796 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2021-10-24 11:19:16,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 11:19:16,797 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 11:19:16,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:16,806 INFO L225 Difference]: With dead ends: 570 [2021-10-24 11:19:16,807 INFO L226 Difference]: Without dead ends: 520 [2021-10-24 11:19:16,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 149.9ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 11:19:16,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-24 11:19:16,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2021-10-24 11:19:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.4539007092198581) internal successors, (205), 141 states have internal predecessors, (205), 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 11:19:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2021-10-24 11:19:16,877 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2021-10-24 11:19:16,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:16,877 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2021-10-24 11:19:16,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 11:19:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2021-10-24 11:19:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 11:19:16,884 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:16,884 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 11:19:16,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:17,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:17,097 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 11:19:17,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:17,097 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2021-10-24 11:19:17,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:17,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64232198] [2021-10-24 11:19:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:17,098 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:17,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:17,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:17,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:19:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:19:18,248 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 11:19:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:19:19,533 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 11:19:19,533 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 11:19:19,534 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:19:19,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:19:19,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:19:19,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:19,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:19,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:19:19,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:19:19 BoogieIcfgContainer [2021-10-24 11:19:19,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:19:19,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:19:19,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:19:19,880 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:19:19,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:19:13" (3/4) ... [2021-10-24 11:19:19,889 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 11:19:20,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:19:20,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:19:20,016 INFO L168 Benchmark]: Toolchain (without parser) took 9424.72 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 37.7 MB in the beginning and 48.2 MB in the end (delta: -10.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,017 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:19:20,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.39 ms. Allocated memory is still 58.7 MB. Free memory was 37.6 MB in the beginning and 27.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.04 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 27.0 MB in the beginning and 62.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,019 INFO L168 Benchmark]: Boogie Preprocessor took 59.88 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 60.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,021 INFO L168 Benchmark]: RCFGBuilder took 2224.01 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 60.8 MB in the end (delta: -139.2 kB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,022 INFO L168 Benchmark]: TraceAbstraction took 6228.30 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 60.3 MB in the beginning and 59.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,022 INFO L168 Benchmark]: Witness Printer took 135.07 ms. Allocated memory is still 98.6 MB. Free memory was 58.7 MB in the beginning and 48.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:20,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 656.39 ms. Allocated memory is still 58.7 MB. Free memory was 37.6 MB in the beginning and 27.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.04 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 27.0 MB in the beginning and 62.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.88 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 60.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2224.01 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 60.8 MB in the end (delta: -139.2 kB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6228.30 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 60.3 MB in the beginning and 59.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Witness Printer took 135.07 ms. Allocated memory is still 98.6 MB. Free memory was 58.7 MB in the beginning and 48.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] int retValue_acc ; [L176] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L766] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L772] tmp = __VERIFIER_nondet_int() [L774] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE waterLevel < 2 [L840] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L613] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] COND TRUE \read(systemActive) [L642] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L645] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] tmp___0 = getWaterLevel() [L582] COND TRUE tmp___0 == 2 [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L584] tmp___1 = isPumpRunning() [L586] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L54] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6046.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 38.3ms, AutomataDifference: 459.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 282 SDtfs, 628 SDslu, 635 SDs, 0 SdLazy, 104 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 170.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 107.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 119.8ms SsaConstructionTime, 1541.7ms SatisfiabilityAnalysisTime, 928.5ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 4 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-24 11:19:20,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7885cf11-f045-4b72-a7a3-f0ca23ffb5fa/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...