./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG --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 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e ............................................................................................................................................ 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG --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 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:10:51,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:10:51,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:10:52,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:10:52,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:10:52,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:10:52,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:10:52,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:10:52,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:10:52,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:10:52,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:10:52,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:10:52,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:10:52,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:10:52,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:10:52,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:10:52,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:10:52,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:10:52,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:10:52,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:10:52,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:10:52,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:10:52,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:10:52,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:10:52,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:10:52,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:10:52,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:10:52,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:10:52,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:10:52,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:10:52,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:10:52,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:10:52,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:10:52,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:10:52,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:10:52,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:10:52,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:10:52,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:10:52,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:10:52,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:10:52,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:10:52,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:10:52,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:10:52,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:10:52,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:10:52,217 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:10:52,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:10:52,218 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:10:52,218 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:10:52,218 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:10:52,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:10:52,219 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:10:52,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:10:52,220 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:10:52,220 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:10:52,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:10:52,221 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:10:52,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:10:52,222 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:10:52,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:10:52,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:10:52,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:10:52,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:10:52,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:10:52,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:10:52,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:10:52,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:10:52,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:10:52,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:10:52,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:10:52,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:10:52,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:10:52,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:10:52,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:10:52,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:10:52,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:10:52,228 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:10:52,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:10:52,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:10:52,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:10:52,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:10:52,230 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e [2021-10-29 05:10:52,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:10:52,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:10:52,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:10:52,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:10:52,575 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:10:52,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-29 05:10:52,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/9ada0b3b0/4b50e6c452074209a2813c6d8b2cfc23/FLAG5c2516d2a [2021-10-29 05:10:53,338 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:10:53,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-29 05:10:53,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/9ada0b3b0/4b50e6c452074209a2813c6d8b2cfc23/FLAG5c2516d2a [2021-10-29 05:10:53,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/9ada0b3b0/4b50e6c452074209a2813c6d8b2cfc23 [2021-10-29 05:10:53,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:10:53,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:10:53,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:53,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:10:53,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:10:53,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:53" (1/1) ... [2021-10-29 05:10:53,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff06d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:53, skipping insertion in model container [2021-10-29 05:10:53,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:53" (1/1) ... [2021-10-29 05:10:53,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:10:53,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:10:53,898 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1605,1618] [2021-10-29 05:10:54,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:10:54,167 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) [2021-10-29 05:10:54,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22acebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:54, skipping insertion in model container [2021-10-29 05:10:54,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:54,169 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:10:54,172 INFO L168 Benchmark]: Toolchain (without parser) took 549.33 ms. Allocated memory is still 127.9 MB. Free memory was 89.6 MB in the beginning and 98.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:10:54,173 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 127.9 MB. Free memory was 99.6 MB in the beginning and 99.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:10:54,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.71 ms. Allocated memory is still 127.9 MB. Free memory was 89.3 MB in the beginning and 98.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:10:54,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 127.9 MB. Free memory was 99.6 MB in the beginning and 99.6 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.71 ms. Allocated memory is still 127.9 MB. Free memory was 89.3 MB in the beginning and 98.6 MB in the end (delta: -9.3 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: 427]: 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-b2eff8b [2021-10-29 05:10:56,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:10:56,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:10:56,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:10:56,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:10:56,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:10:56,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:10:56,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:10:56,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:10:56,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:10:56,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:10:56,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:10:56,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:10:56,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:10:56,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:10:56,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:10:56,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:10:56,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:10:56,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:10:56,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:10:56,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:10:56,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:10:56,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:10:56,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:10:56,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:10:56,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:10:56,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:10:56,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:10:56,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:10:56,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:10:56,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:10:56,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:10:56,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:10:56,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:10:56,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:10:56,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:10:56,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:10:56,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:10:56,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:10:56,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:10:56,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:10:56,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:10:56,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:10:56,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:10:56,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:10:56,920 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:10:56,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:10:56,921 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:10:56,921 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:10:56,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:10:56,922 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:10:56,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:10:56,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:10:56,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:10:56,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:10:56,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:10:56,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:10:56,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:10:56,927 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:10:56,927 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:10:56,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:10:56,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:10:56,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:10:56,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:10:56,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:10:56,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:10:56,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:10:56,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:10:56,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:10:56,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:10:56,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:10:56,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:10:56,930 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:10:56,931 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:10:56,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:10:56,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:10:56,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:10:56,932 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef3a2966212a62c51376d0bc71e8b6c4dafa6b54b639f6f7c53dd815ae9709e [2021-10-29 05:10:57,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:10:57,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:10:57,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:10:57,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:10:57,440 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:10:57,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-29 05:10:57,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/f103daef2/648bc4f7e3374d0d91543590c10ec929/FLAGcaa3e2897 [2021-10-29 05:10:58,170 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:10:58,171 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-29 05:10:58,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/f103daef2/648bc4f7e3374d0d91543590c10ec929/FLAGcaa3e2897 [2021-10-29 05:10:58,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/data/f103daef2/648bc4f7e3374d0d91543590c10ec929 [2021-10-29 05:10:58,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:10:58,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:10:58,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:58,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:10:58,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:10:58,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:58" (1/1) ... [2021-10-29 05:10:58,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659c2f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:58, skipping insertion in model container [2021-10-29 05:10:58,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:58" (1/1) ... [2021-10-29 05:10:58,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:10:58,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:10:58,713 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1605,1618] [2021-10-29 05:10:58,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:10:58,912 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:10:58,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:10:58,925 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1605,1618] [2021-10-29 05:10:59,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:10:59,006 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:10:59,020 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_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1605,1618] [2021-10-29 05:10:59,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:10:59,099 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:10:59,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59 WrapperNode [2021-10-29 05:10:59,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:59,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:10:59,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:10:59,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:10:59,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:10:59,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:10:59,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:10:59,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:10:59,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:10:59,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:10:59,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:10:59,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:10:59,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (1/1) ... [2021-10-29 05:10:59,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:10:59,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:10:59,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:10:59,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:10:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:10:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:10:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:10:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:11:02,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:11:02,282 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-29 05:11:02,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:11:02 BoogieIcfgContainer [2021-10-29 05:11:02,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:11:02,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:11:02,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:11:02,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:11:02,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:10:58" (1/3) ... [2021-10-29 05:11:02,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc11ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:11:02, skipping insertion in model container [2021-10-29 05:11:02,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:59" (2/3) ... [2021-10-29 05:11:02,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc11ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:11:02, skipping insertion in model container [2021-10-29 05:11:02,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:11:02" (3/3) ... [2021-10-29 05:11:02,295 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2021-10-29 05:11:02,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:11:02,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:11:02,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:11:02,385 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 [2021-10-29 05:11:02,386 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:11:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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) [2021-10-29 05:11:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:11:02,417 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:02,418 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:11:02,419 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:11:02,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-29 05:11:02,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:11:02,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584365282] [2021-10-29 05:11:02,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:02,439 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:11:02,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:11:02,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:11:02,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:11:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:02,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:11:02,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:11:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:02,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:11:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:02,824 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:11:02,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584365282] [2021-10-29 05:11:02,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584365282] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:02,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:02,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:11:02,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403601442] [2021-10-29 05:11:02,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:11:02,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:11:02,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:11:02,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:11:02,856 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:02,890 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-29 05:11:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:11:02,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:11:02,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:02,901 INFO L225 Difference]: With dead ends: 108 [2021-10-29 05:11:02,902 INFO L226 Difference]: Without dead ends: 53 [2021-10-29 05:11:02,904 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:11:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-29 05:11:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-29 05:11:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 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) [2021-10-29 05:11:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-29 05:11:02,955 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-29 05:11:02,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:02,956 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-29 05:11:02,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-29 05:11:02,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:11:02,958 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:02,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:11:02,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:11:03,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:11:03,175 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:11:03,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-29 05:11:03,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:11:03,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139254742] [2021-10-29 05:11:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:03,179 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:11:03,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:11:03,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:11:03,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:11:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:03,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:11:03,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:11:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:03,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:11:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:03,512 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:11:03,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139254742] [2021-10-29 05:11:03,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139254742] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:03,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:03,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:11:03,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045850046] [2021-10-29 05:11:03,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:11:03,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:11:03,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:11:03,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:11:03,515 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:03,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:03,534 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-29 05:11:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:11:03,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 05:11:03,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:03,536 INFO L225 Difference]: With dead ends: 53 [2021-10-29 05:11:03,536 INFO L226 Difference]: Without dead ends: 27 [2021-10-29 05:11:03,537 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:11:03,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-29 05:11:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-29 05:11:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2021-10-29 05:11:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-29 05:11:03,547 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-29 05:11:03,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:03,548 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-29 05:11:03,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-29 05:11:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:11:03,551 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:03,555 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:11:03,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-29 05:11:03,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:11:03,770 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:11:03,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:03,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-29 05:11:03,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:11:03,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989402980] [2021-10-29 05:11:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:03,771 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:11:03,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:11:03,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:11:03,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:11:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:03,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:11:03,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:11:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:04,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:11:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:04,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:11:04,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989402980] [2021-10-29 05:11:04,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989402980] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:04,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:04,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:11:04,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349381991] [2021-10-29 05:11:04,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:11:04,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:11:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:11:04,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:11:04,236 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-10-29 05:11:04,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:04,477 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2021-10-29 05:11:04,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:11:04,478 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:11:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:04,480 INFO L225 Difference]: With dead ends: 154 [2021-10-29 05:11:04,481 INFO L226 Difference]: Without dead ends: 133 [2021-10-29 05:11:04,481 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:11:04,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-29 05:11:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2021-10-29 05:11:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 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) [2021-10-29 05:11:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-10-29 05:11:04,508 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-10-29 05:11:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:04,508 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-10-29 05:11:04,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-10-29 05:11:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-10-29 05:11:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 05:11:04,512 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:04,512 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:11:04,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:11:04,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:11:04,725 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:11:04,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:04,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-29 05:11:04,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:11:04,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270555828] [2021-10-29 05:11:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:04,727 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:11:04,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:11:04,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:11:04,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:11:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:04,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:11:04,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:11:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:04,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:11:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:05,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:11:05,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270555828] [2021-10-29 05:11:05,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270555828] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:05,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:05,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:11:05,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155892802] [2021-10-29 05:11:05,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:11:05,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:11:05,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:11:05,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:05,076 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:05,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:05,095 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-10-29 05:11:05,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:11:05,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 05:11:05,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:05,098 INFO L225 Difference]: With dead ends: 95 [2021-10-29 05:11:05,099 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 05:11:05,100 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 05:11:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 05:11:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 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) [2021-10-29 05:11:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-10-29 05:11:05,120 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-10-29 05:11:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:05,121 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-10-29 05:11:05,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-29 05:11:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 05:11:05,123 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:05,123 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:11:05,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:11:05,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:11:05,336 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:11:05,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:05,337 INFO L85 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2021-10-29 05:11:05,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:11:05,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962899714] [2021-10-29 05:11:05,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:05,338 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:11:05,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:11:05,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:11:05,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:11:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:05,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:11:05,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:11:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:05,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:11:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:05,850 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:11:05,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962899714] [2021-10-29 05:11:05,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962899714] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:11:05,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1754107556] [2021-10-29 05:11:05,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:05,851 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:11:05,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:11:05,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:11:05,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-29 05:11:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:06,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:11:06,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:11:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 05:11:06,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:11:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 05:11:06,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1754107556] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:06,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:11:06,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-29 05:11:06,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155182203] [2021-10-29 05:11:06,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:11:06,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:11:06,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:11:06,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:11:06,429 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 05:11:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:06,541 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2021-10-29 05:11:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:11:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 37 [2021-10-29 05:11:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:06,543 INFO L225 Difference]: With dead ends: 111 [2021-10-29 05:11:06,543 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:11:06,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:11:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:11:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:11:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:11:06,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-29 05:11:06,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:06,546 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:11:06,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 05:11:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:11:06,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:11:06,550 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:11:06,550 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:11:06,551 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:11:06,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:11:06,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:11:06,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:11:06,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:11:06,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:11:07,300 INFO L853 garLoopResultBuilder]: At program point L283(lines 234 284) the Hoare annotation is: false [2021-10-29 05:11:07,301 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:11:07,301 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:11:07,301 INFO L857 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2021-10-29 05:11:07,301 INFO L857 garLoopResultBuilder]: For program point L780-1(lines 114 120) no Hoare annotation was computed. [2021-10-29 05:11:07,301 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-29 05:11:07,301 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-29 05:11:07,302 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-29 05:11:07,302 INFO L853 garLoopResultBuilder]: At program point L368(lines 363 371) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,302 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 854) no Hoare annotation was computed. [2021-10-29 05:11:07,302 INFO L853 garLoopResultBuilder]: At program point L368-1(lines 363 371) the Hoare annotation is: false [2021-10-29 05:11:07,302 INFO L853 garLoopResultBuilder]: At program point L368-2(lines 363 371) the Hoare annotation is: false [2021-10-29 05:11:07,302 INFO L860 garLoopResultBuilder]: At program point L847-1(lines 847 854) the Hoare annotation is: true [2021-10-29 05:11:07,302 INFO L857 garLoopResultBuilder]: For program point L236(lines 235 282) no Hoare annotation was computed. [2021-10-29 05:11:07,303 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 391) no Hoare annotation was computed. [2021-10-29 05:11:07,303 INFO L857 garLoopResultBuilder]: For program point L385-2(lines 385 391) no Hoare annotation was computed. [2021-10-29 05:11:07,303 INFO L857 garLoopResultBuilder]: For program point L385-4(lines 385 391) no Hoare annotation was computed. [2021-10-29 05:11:07,303 INFO L853 garLoopResultBuilder]: At program point L121(lines 121 127) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,303 INFO L853 garLoopResultBuilder]: At program point L121-1(lines 121 127) the Hoare annotation is: false [2021-10-29 05:11:07,303 INFO L853 garLoopResultBuilder]: At program point L121-2(lines 121 127) the Hoare annotation is: false [2021-10-29 05:11:07,303 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2021-10-29 05:11:07,304 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 261) no Hoare annotation was computed. [2021-10-29 05:11:07,304 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 255 261) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,304 INFO L853 garLoopResultBuilder]: At program point L173(lines 168 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,304 INFO L853 garLoopResultBuilder]: At program point L173-1(lines 168 176) the Hoare annotation is: false [2021-10-29 05:11:07,304 INFO L853 garLoopResultBuilder]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2021-10-29 05:11:07,304 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:11:07,304 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-10-29 05:11:07,305 INFO L853 garLoopResultBuilder]: At program point L273-2(lines 114 120) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,305 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-10-29 05:11:07,305 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:11:07,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:11:07,305 INFO L860 garLoopResultBuilder]: At program point L856(lines 837 859) the Hoare annotation is: true [2021-10-29 05:11:07,305 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2021-10-29 05:11:07,306 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2021-10-29 05:11:07,306 INFO L853 garLoopResultBuilder]: At program point L245-1(lines 245 251) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,306 INFO L853 garLoopResultBuilder]: At program point L824(lines 820 826) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,306 INFO L853 garLoopResultBuilder]: At program point L114(lines 113 132) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,306 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2021-10-29 05:11:07,306 INFO L853 garLoopResultBuilder]: At program point L114-2(lines 113 132) the Hoare annotation is: false [2021-10-29 05:11:07,306 INFO L853 garLoopResultBuilder]: At program point L114-3(lines 113 132) the Hoare annotation is: false [2021-10-29 05:11:07,307 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:11:07,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:11:07,308 INFO L853 garLoopResultBuilder]: At program point L776-2(lines 776 790) the Hoare annotation is: false [2021-10-29 05:11:07,309 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 278) no Hoare annotation was computed. [2021-10-29 05:11:07,309 INFO L857 garLoopResultBuilder]: For program point L777(line 777) no Hoare annotation was computed. [2021-10-29 05:11:07,309 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 394) no Hoare annotation was computed. [2021-10-29 05:11:07,309 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 1 859) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,310 INFO L857 garLoopResultBuilder]: For program point L381-2(lines 381 394) no Hoare annotation was computed. [2021-10-29 05:11:07,310 INFO L853 garLoopResultBuilder]: At program point L381-3(lines 1 859) the Hoare annotation is: false [2021-10-29 05:11:07,310 INFO L857 garLoopResultBuilder]: For program point L381-4(lines 381 394) no Hoare annotation was computed. [2021-10-29 05:11:07,310 INFO L853 garLoopResultBuilder]: At program point L381-5(lines 1 859) the Hoare annotation is: false [2021-10-29 05:11:07,310 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 859) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:11:07,311 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-10-29 05:11:07,311 INFO L857 garLoopResultBuilder]: For program point L299-3(lines 299 303) no Hoare annotation was computed. [2021-10-29 05:11:07,311 INFO L857 garLoopResultBuilder]: For program point L299-6(lines 299 303) no Hoare annotation was computed. [2021-10-29 05:11:07,315 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:11:07,317 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:11:07,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:11:07 BoogieIcfgContainer [2021-10-29 05:11:07,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:11:07,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:11:07,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:11:07,334 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:11:07,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:11:02" (3/4) ... [2021-10-29 05:11:07,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:11:07,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:11:07,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:11:07,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:11:07,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:11:07,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:11:07,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:11:07,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:11:07,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 05:11:07,413 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:11:07,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:11:07,415 INFO L168 Benchmark]: Toolchain (without parser) took 8989.11 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 63.9 MB in the end (delta: -3.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,415 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 57.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:11:07,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.91 ms. Allocated memory is still 75.5 MB. Free memory was 60.6 MB in the beginning and 45.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.73 ms. Allocated memory is still 75.5 MB. Free memory was 44.8 MB in the beginning and 42.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,417 INFO L168 Benchmark]: Boogie Preprocessor took 40.56 ms. Allocated memory is still 75.5 MB. Free memory was 42.2 MB in the beginning and 40.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,417 INFO L168 Benchmark]: RCFGBuilder took 3069.54 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 40.2 MB in the beginning and 66.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,418 INFO L168 Benchmark]: TraceAbstraction took 5045.61 ms. Allocated memory is still 96.5 MB. Free memory was 66.0 MB in the beginning and 69.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,418 INFO L168 Benchmark]: Witness Printer took 79.52 ms. Allocated memory is still 96.5 MB. Free memory was 69.0 MB in the beginning and 63.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:07,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 57.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 668.91 ms. Allocated memory is still 75.5 MB. Free memory was 60.6 MB in the beginning and 45.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.73 ms. Allocated memory is still 75.5 MB. Free memory was 44.8 MB in the beginning and 42.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.56 ms. Allocated memory is still 75.5 MB. Free memory was 42.2 MB in the beginning and 40.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3069.54 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 40.2 MB in the beginning and 66.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5045.61 ms. Allocated memory is still 96.5 MB. Free memory was 66.0 MB in the beginning and 69.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. * Witness Printer took 79.52 ms. Allocated memory is still 96.5 MB. Free memory was 69.0 MB in the beginning and 63.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 386 SDslu, 309 SDs, 0 SdLazy, 76 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1664 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1209 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:11:07,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12996bf8-daa6-4bae-ae08-1af0e58c8a3e/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...