./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8 --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 859282ae831edbc368c6c02a28d784b7a1a4e20c5d272fba61fe5454e7afcc18 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:50:27,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:50:27,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:50:28,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:50:28,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:50:28,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:50:28,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:50:28,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:50:28,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:50:28,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:50:28,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:50:28,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:50:28,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:50:28,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:50:28,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:50:28,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:50:28,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:50:28,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:50:28,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:50:28,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:50:28,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:50:28,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:50:28,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:50:28,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:50:28,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:50:28,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:50:28,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:50:28,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:50:28,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:50:28,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:50:28,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:50:28,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:50:28,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:50:28,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:50:28,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:50:28,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:50:28,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:50:28,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:50:28,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:50:28,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:50:28,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:50:28,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:50:28,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:50:28,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:50:28,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:50:28,110 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:50:28,110 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:50:28,111 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:50:28,111 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:50:28,112 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:50:28,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:50:28,112 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:50:28,113 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:50:28,113 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:50:28,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:50:28,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:50:28,114 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:50:28,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:50:28,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:50:28,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:50:28,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:50:28,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:50:28,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:50:28,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:50:28,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:50:28,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:50:28,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:50:28,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:50:28,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:50:28,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:50:28,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:50:28,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:50:28,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:50:28,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:50:28,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:50:28,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:50:28,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:50:28,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:50:28,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:50:28,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:50:28,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:50:28,124 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_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 859282ae831edbc368c6c02a28d784b7a1a4e20c5d272fba61fe5454e7afcc18 [2021-11-07 01:50:28,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:50:28,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:50:28,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:50:28,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:50:28,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:50:28,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c [2021-11-07 01:50:28,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/166739844/baaa56d62a594bdb88b6789e2fdc8bfd/FLAG8da440086 [2021-11-07 01:50:29,142 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:50:29,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c [2021-11-07 01:50:29,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/166739844/baaa56d62a594bdb88b6789e2fdc8bfd/FLAG8da440086 [2021-11-07 01:50:29,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/166739844/baaa56d62a594bdb88b6789e2fdc8bfd [2021-11-07 01:50:29,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:50:29,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:50:29,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:29,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:50:29,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:50:29,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:29" (1/1) ... [2021-11-07 01:50:29,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cf879b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:29, skipping insertion in model container [2021-11-07 01:50:29,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:29" (1/1) ... [2021-11-07 01:50:29,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:50:29,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:50:29,752 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_47c79063-e9be-4cfe-93c7-524c3662aaaa/sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c[7086,7099] [2021-11-07 01:50:29,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:29,826 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) [2021-11-07 01:50:29,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42b5d7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:29, skipping insertion in model container [2021-11-07 01:50:29,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:29,827 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:50:29,829 INFO L168 Benchmark]: Toolchain (without parser) took 396.40 ms. Allocated memory is still 125.8 MB. Free memory was 89.1 MB in the beginning and 96.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:29,830 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 101.2 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:50:29,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.52 ms. Allocated memory is still 125.8 MB. Free memory was 88.9 MB in the beginning and 96.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:29,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 101.2 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.52 ms. Allocated memory is still 125.8 MB. Free memory was 88.9 MB in the beginning and 96.8 MB in the end (delta: -8.0 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: 494]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8 --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 859282ae831edbc368c6c02a28d784b7a1a4e20c5d272fba61fe5454e7afcc18 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:50:32,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:50:32,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:50:32,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:50:32,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:50:32,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:50:32,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:50:32,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:50:32,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:50:32,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:50:32,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:50:32,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:50:32,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:50:32,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:50:32,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:50:32,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:50:32,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:50:32,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:50:32,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:50:32,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:50:32,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:50:32,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:50:32,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:50:32,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:50:32,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:50:32,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:50:32,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:50:32,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:50:32,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:50:32,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:50:32,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:50:32,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:50:32,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:50:32,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:50:32,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:50:32,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:50:32,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:50:32,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:50:32,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:50:32,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:50:32,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:50:32,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:50:32,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:50:32,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:50:32,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:50:32,412 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:50:32,412 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:50:32,412 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:50:32,413 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:50:32,413 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:50:32,413 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:50:32,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:50:32,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:50:32,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:50:32,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:50:32,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:50:32,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:50:32,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:50:32,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:50:32,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:50:32,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:50:32,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:50:32,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:50:32,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:50:32,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:50:32,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:50:32,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:50:32,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:50:32,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:50:32,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:50:32,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:50:32,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:50:32,419 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:50:32,420 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:50:32,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:50:32,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:50:32,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:50:32,421 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_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 859282ae831edbc368c6c02a28d784b7a1a4e20c5d272fba61fe5454e7afcc18 [2021-11-07 01:50:32,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:50:32,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:50:32,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:50:32,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:50:32,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:50:32,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c [2021-11-07 01:50:32,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/3a94bc3f8/2631e07321dc4f65b7d78ae1c66e6812/FLAG4b3677a49 [2021-11-07 01:50:33,494 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:50:33,495 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c [2021-11-07 01:50:33,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/3a94bc3f8/2631e07321dc4f65b7d78ae1c66e6812/FLAG4b3677a49 [2021-11-07 01:50:33,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/data/3a94bc3f8/2631e07321dc4f65b7d78ae1c66e6812 [2021-11-07 01:50:33,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:50:33,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:50:33,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:33,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:50:33,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:50:33,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:33" (1/1) ... [2021-11-07 01:50:33,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71504a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:33, skipping insertion in model container [2021-11-07 01:50:33,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:50:33" (1/1) ... [2021-11-07 01:50:33,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:50:33,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:50:34,109 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_47c79063-e9be-4cfe-93c7-524c3662aaaa/sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c[7086,7099] [2021-11-07 01:50:34,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:34,259 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:50:34,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:50:34,295 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_47c79063-e9be-4cfe-93c7-524c3662aaaa/sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c[7086,7099] [2021-11-07 01:50:34,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:34,338 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:50:34,380 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_47c79063-e9be-4cfe-93c7-524c3662aaaa/sv-benchmarks/c/product-lines/minepump_spec3_product39.cil.c[7086,7099] [2021-11-07 01:50:34,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:50:34,487 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:50:34,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34 WrapperNode [2021-11-07 01:50:34,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:50:34,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:50:34,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:50:34,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:50:34,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:50:34,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:50:34,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:50:34,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:50:34,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:50:34,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:50:34,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:50:34,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:50:34,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (1/1) ... [2021-11-07 01:50:34,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:50:34,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:50:34,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:50:34,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:50:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:50:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:50:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:50:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:50:37,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:50:37,607 INFO L299 CfgBuilder]: Removed 166 assume(true) statements. [2021-11-07 01:50:37,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:50:37 BoogieIcfgContainer [2021-11-07 01:50:37,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:50:37,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:50:37,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:50:37,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:50:37,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:50:33" (1/3) ... [2021-11-07 01:50:37,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54767a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:50:37, skipping insertion in model container [2021-11-07 01:50:37,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:50:34" (2/3) ... [2021-11-07 01:50:37,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54767a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:50:37, skipping insertion in model container [2021-11-07 01:50:37,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:50:37" (3/3) ... [2021-11-07 01:50:37,623 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product39.cil.c [2021-11-07 01:50:37,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:50:37,630 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:50:37,715 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:50:37,723 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 [2021-11-07 01:50:37,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:50:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 states have internal predecessors, (180), 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) [2021-11-07 01:50:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:50:37,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:37,768 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:37,768 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:37,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1240734729, now seen corresponding path program 1 times [2021-11-07 01:50:37,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:37,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473711933] [2021-11-07 01:50:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:37,801 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:37,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:37,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:50:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:38,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:50:38,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:38,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:38,255 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:38,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473711933] [2021-11-07 01:50:38,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473711933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:38,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:38,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:50:38,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327193677] [2021-11-07 01:50:38,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:50:38,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:50:38,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:50:38,284 INFO L87 Difference]: Start difference. First operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:38,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:38,319 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-11-07 01:50:38,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:50:38,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:50:38,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:38,335 INFO L225 Difference]: With dead ends: 232 [2021-11-07 01:50:38,335 INFO L226 Difference]: Without dead ends: 115 [2021-11-07 01:50:38,339 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:50:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-07 01:50:38,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-07 01:50:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 112 states have (on average 1.5) internal successors, (168), 114 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-11-07 01:50:38,416 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 18 [2021-11-07 01:50:38,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:38,417 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-11-07 01:50:38,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-11-07 01:50:38,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:50:38,420 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:38,421 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:38,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:38,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:38,639 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:38,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:38,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1444708423, now seen corresponding path program 1 times [2021-11-07 01:50:38,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:38,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583640337] [2021-11-07 01:50:38,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:38,641 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:38,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:38,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:38,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:50:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:38,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:38,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:38,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:39,039 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:39,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583640337] [2021-11-07 01:50:39,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583640337] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:39,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:39,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:50:39,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226002527] [2021-11-07 01:50:39,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:50:39,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:39,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:50:39,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:39,044 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:39,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:39,062 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-11-07 01:50:39,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:50:39,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:50:39,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:39,064 INFO L225 Difference]: With dead ends: 115 [2021-11-07 01:50:39,064 INFO L226 Difference]: Without dead ends: 49 [2021-11-07 01:50:39,066 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:39,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-07 01:50:39,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-07 01:50:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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) [2021-11-07 01:50:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-11-07 01:50:39,073 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-11-07 01:50:39,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:39,073 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-11-07 01:50:39,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-11-07 01:50:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:50:39,075 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:39,075 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, 1] [2021-11-07 01:50:39,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:50:39,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:39,290 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1084287686, now seen corresponding path program 1 times [2021-11-07 01:50:39,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:39,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023612625] [2021-11-07 01:50:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:39,293 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:39,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:39,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:39,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:50:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:39,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:39,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:39,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:39,785 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:39,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023612625] [2021-11-07 01:50:39,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023612625] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:39,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:39,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:50:39,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836178206] [2021-11-07 01:50:39,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:50:39,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:39,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:50:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:39,794 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:39,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:39,857 INFO L93 Difference]: Finished difference Result 160 states and 238 transitions. [2021-11-07 01:50:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:50:39,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:50:39,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:39,864 INFO L225 Difference]: With dead ends: 160 [2021-11-07 01:50:39,864 INFO L226 Difference]: Without dead ends: 117 [2021-11-07 01:50:39,865 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:50:39,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-07 01:50:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 70. [2021-11-07 01:50:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 69 states have internal predecessors, (103), 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) [2021-11-07 01:50:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 103 transitions. [2021-11-07 01:50:39,889 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 103 transitions. Word has length 24 [2021-11-07 01:50:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:39,890 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 103 transitions. [2021-11-07 01:50:39,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2021-11-07 01:50:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:50:39,894 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:39,894 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, 1, 1, 1] [2021-11-07 01:50:39,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:40,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:40,109 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:40,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:40,110 INFO L85 PathProgramCache]: Analyzing trace with hash -857120593, now seen corresponding path program 1 times [2021-11-07 01:50:40,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:40,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045115314] [2021-11-07 01:50:40,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:40,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:40,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:40,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:50:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:40,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:40,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:40,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:40,528 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:40,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045115314] [2021-11-07 01:50:40,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045115314] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:40,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:40,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:50:40,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059335347] [2021-11-07 01:50:40,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:50:40,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:40,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:50:40,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:50:40,531 INFO L87 Difference]: Start difference. First operand 70 states and 103 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:40,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:40,608 INFO L93 Difference]: Finished difference Result 157 states and 233 transitions. [2021-11-07 01:50:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:50:40,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:50:40,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:40,610 INFO L225 Difference]: With dead ends: 157 [2021-11-07 01:50:40,610 INFO L226 Difference]: Without dead ends: 93 [2021-11-07 01:50:40,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:50:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-07 01:50:40,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-11-07 01:50:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 90 states have internal predecessors, (130), 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) [2021-11-07 01:50:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 130 transitions. [2021-11-07 01:50:40,622 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 130 transitions. Word has length 26 [2021-11-07 01:50:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:40,622 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 130 transitions. [2021-11-07 01:50:40,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2021-11-07 01:50:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:50:40,624 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:40,624 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, 1, 1, 1, 1] [2021-11-07 01:50:40,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:50:40,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:40,837 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:40,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1307189925, now seen corresponding path program 1 times [2021-11-07 01:50:40,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:40,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844761258] [2021-11-07 01:50:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:40,838 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:40,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:40,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:50:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:41,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:50:41,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:41,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:41,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:41,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844761258] [2021-11-07 01:50:41,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844761258] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:41,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:41,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:50:41,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255679616] [2021-11-07 01:50:41,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:50:41,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:50:41,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:50:41,387 INFO L87 Difference]: Start difference. First operand 91 states and 130 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2021-11-07 01:50:41,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:50:41,885 INFO L93 Difference]: Finished difference Result 986 states and 1451 transitions. [2021-11-07 01:50:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:50:41,886 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 27 [2021-11-07 01:50:41,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:50:41,892 INFO L225 Difference]: With dead ends: 986 [2021-11-07 01:50:41,893 INFO L226 Difference]: Without dead ends: 901 [2021-11-07 01:50:41,894 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:50:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2021-11-07 01:50:41,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 232. [2021-11-07 01:50:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.4155844155844155) internal successors, (327), 231 states have internal predecessors, (327), 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) [2021-11-07 01:50:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 327 transitions. [2021-11-07 01:50:41,942 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 327 transitions. Word has length 27 [2021-11-07 01:50:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:41,943 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 327 transitions. [2021-11-07 01:50:41,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2021-11-07 01:50:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 327 transitions. [2021-11-07 01:50:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:50:41,945 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:41,946 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, 1, 1, 1, 1, 1] [2021-11-07 01:50:41,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:42,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:42,163 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:50:42,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:42,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1287513629, now seen corresponding path program 1 times [2021-11-07 01:50:42,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:42,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661410378] [2021-11-07 01:50:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:42,165 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:42,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:42,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:50:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:50:43,374 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:50:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:50:44,821 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:50:44,822 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:50:44,823 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:50:44,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:50:44,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:50:44,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:45,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:45,040 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-07 01:50:45,044 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:50:45,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:50:45 BoogieIcfgContainer [2021-11-07 01:50:45,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:50:45,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:50:45,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:50:45,203 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:50:45,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:50:37" (3/4) ... [2021-11-07 01:50:45,205 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:50:45,354 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:50:45,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:50:45,357 INFO L168 Benchmark]: Toolchain (without parser) took 11543.29 ms. Allocated memory was 60.8 MB in the beginning and 104.9 MB in the end (delta: 44.0 MB). Free memory was 39.6 MB in the beginning and 77.0 MB in the end (delta: -37.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,357 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:50:45,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.30 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 30.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.50 ms. Allocated memory is still 60.8 MB. Free memory was 30.1 MB in the beginning and 26.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,359 INFO L168 Benchmark]: Boogie Preprocessor took 73.74 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 26.5 MB in the beginning and 66.6 MB in the end (delta: -40.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,360 INFO L168 Benchmark]: RCFGBuilder took 2952.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 38.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,360 INFO L168 Benchmark]: TraceAbstraction took 7587.02 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 38.4 MB in the beginning and 39.4 MB in the end (delta: -977.9 kB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,360 INFO L168 Benchmark]: Witness Printer took 153.56 ms. Allocated memory is still 104.9 MB. Free memory was 39.4 MB in the beginning and 77.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:50:45,363 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 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 674.30 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 30.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.50 ms. Allocated memory is still 60.8 MB. Free memory was 30.1 MB in the beginning and 26.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.74 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 26.5 MB in the beginning and 66.6 MB in the end (delta: -40.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2952.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 38.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7587.02 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 38.4 MB in the beginning and 39.4 MB in the end (delta: -977.9 kB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Witness Printer took 153.56 ms. Allocated memory is still 104.9 MB. Free memory was 39.4 MB in the beginning and 77.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 9.3 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 - CounterExampleResult [Line: 461]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L95] int waterLevel = 1; [L96] int methaneLevelCritical = 0; [L195] int pumpRunning = 0; [L196] int systemActive = 1; [L635] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L832] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L905] int retValue_acc ; [L906] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] tmp = valid_product() [L914] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L391] int splverifierCounter ; [L392] int tmp ; [L393] int tmp___0 ; [L394] int tmp___1 ; [L395] int tmp___2 ; [L398] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L400] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L402] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] tmp = __VERIFIER_nondet_int() [L410] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] COND TRUE waterLevel < 2 [L114] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L418] tmp___0 = __VERIFIER_nondet_int() [L420] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L428] tmp___2 = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp___2)) [L434] tmp___1 = __VERIFIER_nondet_int() [L436] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L377] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L384] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L203] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L210] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L929] int tmp ; [L930] int tmp___0 ; [L931] int tmp___1 ; [L134] int retValue_acc ; [L137] retValue_acc = methaneLevelCritical [L138] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L935] tmp = isMethaneLevelCritical() [L937] COND FALSE !(\read(tmp)) [L166] int retValue_acc ; [L169] retValue_acc = waterLevel [L170] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L941] tmp___0 = getWaterLevel() [L943] COND TRUE tmp___0 == 2 [L310] int retValue_acc ; [L313] retValue_acc = pumpRunning [L314] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L945] tmp___1 = isPumpRunning() [L947] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L461] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 461]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 461]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 492 SDtfs, 1101 SDslu, 1021 SDs, 0 SdLazy, 181 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 718 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 4 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-07 01:50:45,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c79063-e9be-4cfe-93c7-524c3662aaaa/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE