./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.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_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 ............................................................................................................................................ 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2021-10-20 05:48:04,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:48:04,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:48:04,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:48:04,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:48:04,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:48:04,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:48:04,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:48:04,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:48:04,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:48:04,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:48:04,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:48:04,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:48:04,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:48:04,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:48:04,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:48:04,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:48:04,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:48:04,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:48:04,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:48:04,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:48:04,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:48:04,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:48:04,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:48:04,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:48:04,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:48:04,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:48:04,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:48:04,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:48:04,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:48:04,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:48:04,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:48:04,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:48:04,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:48:04,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:48:04,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:48:04,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:48:04,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:48:04,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:48:04,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:48:04,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:48:04,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:48:04,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:48:04,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:48:04,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:48:04,325 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:48:04,325 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:48:04,325 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:48:04,326 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:48:04,326 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:48:04,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:48:04,326 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:48:04,328 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:48:04,328 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:48:04,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:48:04,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:48:04,329 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:48:04,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:48:04,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:48:04,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:48:04,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:48:04,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:48:04,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:48:04,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:48:04,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:48:04,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:48:04,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:48:04,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:48:04,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:48:04,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:48:04,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:48:04,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:48:04,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:48:04,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:48:04,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:48:04,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:48:04,337 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:48:04,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:48:04,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:48:04,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:48:04,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:48:04,338 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 [2021-10-20 05:48:04,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:48:04,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:48:04,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:48:04,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:48:04,683 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:48:04,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-20 05:48:04,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/74d6e7b48/10afbacfa28642c99bc1bcd84fed9f63/FLAG5bbb3f2ad [2021-10-20 05:48:05,387 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:48:05,387 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-20 05:48:05,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/74d6e7b48/10afbacfa28642c99bc1bcd84fed9f63/FLAG5bbb3f2ad [2021-10-20 05:48:05,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/74d6e7b48/10afbacfa28642c99bc1bcd84fed9f63 [2021-10-20 05:48:05,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:48:05,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:48:05,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:48:05,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:48:05,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:48:05,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:48:05" (1/1) ... [2021-10-20 05:48:05,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e22eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:05, skipping insertion in model container [2021-10-20 05:48:05,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:48:05" (1/1) ... [2021-10-20 05:48:05,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:48:05,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:48:05,873 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-20 05:48:05,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:48:05,986 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-20 05:48:05,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@233995f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:05, skipping insertion in model container [2021-10-20 05:48:05,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:48:05,987 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:48:05,989 INFO L168 Benchmark]: Toolchain (without parser) took 369.21 ms. Allocated memory is still 92.3 MB. Free memory was 71.7 MB in the beginning and 63.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:05,990 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:48:05,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.38 ms. Allocated memory is still 92.3 MB. Free memory was 71.7 MB in the beginning and 63.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:05,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.38 ms. Allocated memory is still 92.3 MB. Free memory was 71.7 MB in the beginning and 63.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:48:08,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:48:08,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:48:08,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:48:08,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:48:08,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:48:08,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:48:08,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:48:08,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:48:08,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:48:08,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:48:08,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:48:08,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:48:08,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:48:08,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:48:08,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:48:08,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:48:08,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:48:08,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:48:08,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:48:08,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:48:08,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:48:08,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:48:08,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:48:08,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:48:08,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:48:08,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:48:08,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:48:08,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:48:08,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:48:08,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:48:08,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:48:08,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:48:08,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:48:08,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:48:08,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:48:08,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:48:08,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:48:08,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:48:08,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:48:08,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:48:08,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:48:08,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:48:08,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:48:08,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:48:08,733 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:48:08,734 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:48:08,734 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:48:08,734 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:48:08,735 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:48:08,735 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:48:08,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:48:08,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:48:08,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:48:08,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:48:08,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:48:08,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:48:08,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:48:08,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:48:08,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:48:08,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:48:08,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:48:08,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:48:08,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:48:08,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:48:08,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:48:08,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:48:08,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:48:08,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:48:08,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:48:08,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:48:08,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:48:08,745 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:48:08,746 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:48:08,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:48:08,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:48:08,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:48:08,748 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 [2021-10-20 05:48:09,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:48:09,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:48:09,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:48:09,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:48:09,230 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:48:09,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-20 05:48:09,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/fb01c071b/d788d470d4e54302891ebe6bfb0e7de9/FLAG0f5137abc [2021-10-20 05:48:10,006 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:48:10,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-20 05:48:10,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/fb01c071b/d788d470d4e54302891ebe6bfb0e7de9/FLAG0f5137abc [2021-10-20 05:48:10,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/data/fb01c071b/d788d470d4e54302891ebe6bfb0e7de9 [2021-10-20 05:48:10,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:48:10,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:48:10,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:48:10,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:48:10,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:48:10,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:10,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dcce12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10, skipping insertion in model container [2021-10-20 05:48:10,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:10,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:48:10,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:48:10,650 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-20 05:48:10,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:48:10,763 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:48:10,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:48:10,785 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-20 05:48:10,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:48:10,845 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:48:10,868 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_b92d6060-44b7-4baf-84f9-02a30d0157fd/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-20 05:48:10,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:48:10,975 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:48:10,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10 WrapperNode [2021-10-20 05:48:10,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:48:10,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:48:10,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:48:10,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:48:10,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:48:11,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:48:11,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:48:11,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:48:11,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:48:11,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:48:11,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:48:11,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:48:11,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (1/1) ... [2021-10-20 05:48:11,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:48:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:48:11,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:48:11,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:48:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:48:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:48:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:48:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:48:13,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:48:13,819 INFO L299 CfgBuilder]: Removed 166 assume(true) statements. [2021-10-20 05:48:13,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:48:13 BoogieIcfgContainer [2021-10-20 05:48:13,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:48:13,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:48:13,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:48:13,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:48:13,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:48:10" (1/3) ... [2021-10-20 05:48:13,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601a0790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:48:13, skipping insertion in model container [2021-10-20 05:48:13,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:48:10" (2/3) ... [2021-10-20 05:48:13,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601a0790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:48:13, skipping insertion in model container [2021-10-20 05:48:13,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:48:13" (3/3) ... [2021-10-20 05:48:13,835 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product31.cil.c [2021-10-20 05:48:13,841 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:48:13,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:48:13,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:48:13,907 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:48:13,907 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:48:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 112 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:48:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-20 05:48:13,932 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:48:13,933 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:48:13,933 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:48:13,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:48:13,940 INFO L82 PathProgramCache]: Analyzing trace with hash 946560340, now seen corresponding path program 1 times [2021-10-20 05:48:13,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:48:13,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863768142] [2021-10-20 05:48:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:48:13,956 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:48:13,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:48:13,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:48:13,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:48:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:48:14,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:48:14,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:48:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:14,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:48:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:14,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:48:14,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863768142] [2021-10-20 05:48:14,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863768142] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:48:14,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:48:14,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:48:14,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541111121] [2021-10-20 05:48:14,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:48:14,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:48:14,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:48:14,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:48:14,453 INFO L87 Difference]: Start difference. First operand has 113 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 112 states have internal predecessors, (168), 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) [2021-10-20 05:48:14,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:48:14,496 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-10-20 05:48:14,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:48:14,498 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 [2021-10-20 05:48:14,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:48:14,509 INFO L225 Difference]: With dead ends: 220 [2021-10-20 05:48:14,510 INFO L226 Difference]: Without dead ends: 109 [2021-10-20 05:48:14,513 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 [2021-10-20 05:48:14,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-20 05:48:14,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-10-20 05:48:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.471698113207547) internal successors, (156), 108 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:48:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2021-10-20 05:48:14,559 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2021-10-20 05:48:14,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:48:14,560 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2021-10-20 05:48:14,560 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) [2021-10-20 05:48:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2021-10-20 05:48:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:48:14,562 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:48:14,562 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:48:14,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:48:14,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:48:14,782 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:48:14,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:48:14,783 INFO L82 PathProgramCache]: Analyzing trace with hash 35529587, now seen corresponding path program 1 times [2021-10-20 05:48:14,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:48:14,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222638131] [2021-10-20 05:48:14,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:48:14,785 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:48:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:48:14,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:48:14,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:48:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:48:14,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:48:15,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:48:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:15,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:48:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:15,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:48:15,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222638131] [2021-10-20 05:48:15,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222638131] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:48:15,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:48:15,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:48:15,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442744720] [2021-10-20 05:48:15,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:48:15,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:48:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:48:15,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:48:15,181 INFO L87 Difference]: Start difference. First operand 109 states and 156 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) [2021-10-20 05:48:15,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:48:15,221 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2021-10-20 05:48:15,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:48:15,222 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 [2021-10-20 05:48:15,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:48:15,224 INFO L225 Difference]: With dead ends: 109 [2021-10-20 05:48:15,225 INFO L226 Difference]: Without dead ends: 47 [2021-10-20 05:48:15,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:48:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-20 05:48:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-20 05:48:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:48:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-20 05:48:15,241 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-10-20 05:48:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:48:15,241 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-20 05:48:15,242 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) [2021-10-20 05:48:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-20 05:48:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 05:48:15,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:48:15,245 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] [2021-10-20 05:48:15,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:48:15,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:48:15,456 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:48:15,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:48:15,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1149792188, now seen corresponding path program 1 times [2021-10-20 05:48:15,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:48:15,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894279118] [2021-10-20 05:48:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:48:15,459 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:48:15,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:48:15,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:48:15,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:48:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:48:15,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:48:15,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:48:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:15,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:48:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:15,901 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:48:15,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894279118] [2021-10-20 05:48:15,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894279118] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:48:15,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:48:15,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 05:48:15,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932658213] [2021-10-20 05:48:15,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:48:15,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:48:15,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:48:15,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:48:15,904 INFO L87 Difference]: Start difference. First operand 47 states and 67 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) [2021-10-20 05:48:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:48:15,941 INFO L93 Difference]: Finished difference Result 154 states and 226 transitions. [2021-10-20 05:48:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:48:15,942 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 [2021-10-20 05:48:15,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:48:15,943 INFO L225 Difference]: With dead ends: 154 [2021-10-20 05:48:15,943 INFO L226 Difference]: Without dead ends: 113 [2021-10-20 05:48:15,944 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 [2021-10-20 05:48:15,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-20 05:48:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 68. [2021-10-20 05:48:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 67 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:48:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-10-20 05:48:15,973 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2021-10-20 05:48:15,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:48:15,973 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-10-20 05:48:15,973 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) [2021-10-20 05:48:15,974 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-10-20 05:48:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 05:48:15,975 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:48:15,975 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] [2021-10-20 05:48:16,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:48:16,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:48:16,189 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:48:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:48:16,189 INFO L82 PathProgramCache]: Analyzing trace with hash 190951434, now seen corresponding path program 1 times [2021-10-20 05:48:16,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:48:16,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881364569] [2021-10-20 05:48:16,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:48:16,191 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:48:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:48:16,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:48:16,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:48:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:48:16,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:48:16,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:48:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:16,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:48:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:48:16,717 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:48:16,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881364569] [2021-10-20 05:48:16,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881364569] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:48:16,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:48:16,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-20 05:48:16,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760231601] [2021-10-20 05:48:16,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:48:16,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:48:16,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:48:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 05:48:16,720 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 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) [2021-10-20 05:48:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:48:17,154 INFO L93 Difference]: Finished difference Result 762 states and 1164 transitions. [2021-10-20 05:48:17,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-20 05:48:17,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 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) Word has length 26 [2021-10-20 05:48:17,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:48:17,162 INFO L225 Difference]: With dead ends: 762 [2021-10-20 05:48:17,162 INFO L226 Difference]: Without dead ends: 700 [2021-10-20 05:48:17,164 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 163.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-20 05:48:17,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-10-20 05:48:17,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 178. [2021-10-20 05:48:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.463276836158192) internal successors, (259), 177 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:48:17,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 259 transitions. [2021-10-20 05:48:17,217 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 259 transitions. Word has length 26 [2021-10-20 05:48:17,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:48:17,217 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 259 transitions. [2021-10-20 05:48:17,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 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) [2021-10-20 05:48:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2021-10-20 05:48:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-20 05:48:17,226 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:48:17,227 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, 1] [2021-10-20 05:48:17,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:48:17,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:48:17,444 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:48:17,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:48:17,444 INFO L82 PathProgramCache]: Analyzing trace with hash -418085112, now seen corresponding path program 1 times [2021-10-20 05:48:17,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:48:17,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542870351] [2021-10-20 05:48:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:48:17,445 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:48:17,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:48:17,446 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:48:17,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:48:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:48:18,795 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 05:48:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:48:20,555 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-20 05:48:20,555 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 05:48:20,556 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:48:20,558 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:48:20,559 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:48:20,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:48:20,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:48:20,784 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:48:20,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:48:20 BoogieIcfgContainer [2021-10-20 05:48:20,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:48:20,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:48:20,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:48:20,966 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:48:20,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:48:13" (3/4) ... [2021-10-20 05:48:20,975 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-20 05:48:21,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:48:21,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:48:21,123 INFO L168 Benchmark]: Toolchain (without parser) took 10860.93 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 43.3 MB in the beginning and 58.6 MB in the end (delta: -15.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,124 INFO L168 Benchmark]: CDTParser took 3.38 ms. Allocated memory is still 65.0 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:48:21,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.26 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 31.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.05 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 45.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,125 INFO L168 Benchmark]: Boogie Preprocessor took 71.33 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 42.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,126 INFO L168 Benchmark]: RCFGBuilder took 2658.52 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 48.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,127 INFO L168 Benchmark]: TraceAbstraction took 7138.32 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 38.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,127 INFO L168 Benchmark]: Witness Printer took 155.47 ms. Allocated memory is still 81.8 MB. Free memory was 38.6 MB in the beginning and 58.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:48:21,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.38 ms. Allocated memory is still 65.0 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.26 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 31.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.05 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 45.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.33 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 42.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2658.52 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 48.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7138.32 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 38.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * Witness Printer took 155.47 ms. Allocated memory is still 81.8 MB. Free memory was 38.6 MB in the beginning and 58.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 14.1 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: 150]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int pumpRunning = 0; [L596] int systemActive = 1; [L878] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L951] int retValue_acc ; [L952] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] tmp = valid_product() [L960] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] tmp = __VERIFIER_nondet_int() [L544] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND TRUE \read(systemActive) [L658] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L661] COND FALSE !(\read(pumpRunning)) [L632] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L813] tmp = isMethaneLevelCritical() [L815] COND FALSE !(\read(tmp)) [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L819] tmp___0 = getWaterLevel() [L821] COND TRUE tmp___0 == 2 [L727] int retValue_acc ; [L730] retValue_acc = pumpRunning [L731] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L823] tmp___1 = isPumpRunning() [L825] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 150]: 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: 150]: 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, 113 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6883.2ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 24.1ms, AutomataDifference: 617.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 404 SDtfs, 915 SDslu, 914 SDs, 0 SdLazy, 127 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 160.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 184.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred 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: 125.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 567 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 158.7ms SsaConstructionTime, 1715.2ms SatisfiabilityAnalysisTime, 925.2ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 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! [2021-10-20 05:48:21,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92d6060-44b7-4baf-84f9-02a30d0157fd/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...