./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan --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 19038d4a2c37771efda8321d3e888c138b34ccd1 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan --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 19038d4a2c37771efda8321d3e888c138b34ccd1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:44,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:44,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:45,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:45,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:45,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:45,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:45,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:45,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:45,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:45,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:45,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:45,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:45,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:45,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:45,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:45,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:45,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:45,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:45,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:45,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:45,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:45,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:45,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:45,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:45,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:45,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:45,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:45,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:45,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:45,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:45,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:45,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:45,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:45,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:45,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:45,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:45,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:45,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:45,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:45,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:45,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:08:45,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:45,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:45,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:45,198 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:45,198 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:45,198 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:45,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:08:45,199 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:45,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:45,199 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:08:45,200 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:08:45,200 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:45,201 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:08:45,201 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:08:45,201 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:08:45,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:45,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:45,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:08:45,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:45,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:45,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:45,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:45,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:45,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:45,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:45,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:45,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:45,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:45,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:45,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:45,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:45,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:45,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:45,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:45,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:45,208 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:08:45,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:08:45,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:45,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:45,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:45,209 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-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2020-11-22 13:08:45,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:45,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:45,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:45,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:45,575 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:45,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-11-22 13:08:45,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/4b1a2928f/a3976ca0d14e41e0875a1569f5a6b7ad/FLAG00f5a647f [2020-11-22 13:08:46,248 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:46,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-11-22 13:08:46,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/4b1a2928f/a3976ca0d14e41e0875a1569f5a6b7ad/FLAG00f5a647f [2020-11-22 13:08:46,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/4b1a2928f/a3976ca0d14e41e0875a1569f5a6b7ad [2020-11-22 13:08:46,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:46,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:46,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:46,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:46,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:46,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:46" (1/1) ... [2020-11-22 13:08:46,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a93d793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:46, skipping insertion in model container [2020-11-22 13:08:46,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:46" (1/1) ... [2020-11-22 13:08:46,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:46,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:46,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:46,956 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) [2020-11-22 13:08:46,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58265ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:46, skipping insertion in model container [2020-11-22 13:08:46,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:46,957 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:08:46,959 INFO L168 Benchmark]: Toolchain (without parser) took 421.67 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 89.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:46,960 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 115.3 MB. Free memory was 87.6 MB in the beginning and 87.6 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:46,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.98 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 89.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:46,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 115.3 MB. Free memory was 87.6 MB in the beginning and 87.6 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.98 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 89.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 537]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:49,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:49,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:49,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:49,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:49,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:49,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:49,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:49,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:49,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:49,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:49,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:49,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:49,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:49,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:49,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:49,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:49,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:49,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:49,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:49,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:49,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:49,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:49,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:49,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:49,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:49,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:49,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:49,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:49,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:49,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:49,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:49,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:49,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:49,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:49,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:49,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:49,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:49,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:49,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:49,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:49,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:08:49,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:49,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:49,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:49,396 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:49,396 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:49,396 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:49,396 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:49,397 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:49,397 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:49,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:49,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:49,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:49,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:49,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:49,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:49,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:49,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:49,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:08:49,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:08:49,399 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:49,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:49,400 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:49,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:49,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:49,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:08:49,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:49,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:49,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:49,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:49,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:49,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:49,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:08:49,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:08:49,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:49,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:49,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:49,403 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-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2020-11-22 13:08:49,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:49,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:49,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:49,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:49,841 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:49,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-11-22 13:08:49,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/aa1280a6d/b8a1d2d58fcb4d90a38013828151aa94/FLAG919700362 [2020-11-22 13:08:50,498 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:50,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-11-22 13:08:50,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/aa1280a6d/b8a1d2d58fcb4d90a38013828151aa94/FLAG919700362 [2020-11-22 13:08:50,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/data/aa1280a6d/b8a1d2d58fcb4d90a38013828151aa94 [2020-11-22 13:08:50,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:50,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:50,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:50,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:50,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:50,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:50" (1/1) ... [2020-11-22 13:08:50,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299fb56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:50, skipping insertion in model container [2020-11-22 13:08:50,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:50" (1/1) ... [2020-11-22 13:08:50,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:50,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:51,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:51,191 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:08:51,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:51,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:51,313 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:51,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:51,419 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:51,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51 WrapperNode [2020-11-22 13:08:51,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:51,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:51,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:51,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:51,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:51,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:51,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:51,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:51,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... [2020-11-22 13:08:51,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:51,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:51,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:51,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:51,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:08:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:53,893 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:53,898 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-22 13:08:53,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:53 BoogieIcfgContainer [2020-11-22 13:08:53,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:53,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:53,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:53,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:53,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:50" (1/3) ... [2020-11-22 13:08:53,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e15b99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:53, skipping insertion in model container [2020-11-22 13:08:53,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:51" (2/3) ... [2020-11-22 13:08:53,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e15b99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:53, skipping insertion in model container [2020-11-22 13:08:53,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:53" (3/3) ... [2020-11-22 13:08:53,911 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-11-22 13:08:53,925 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:53,929 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:08:53,940 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:08:53,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:53,977 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:53,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:53,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:53,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:53,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:53,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:53,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-22 13:08:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:08:54,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:54,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:54,010 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:54,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:54,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1751825284, now seen corresponding path program 1 times [2020-11-22 13:08:54,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:54,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574125838] [2020-11-22 13:08:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:54,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:08:54,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:54,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:54,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574125838] [2020-11-22 13:08:54,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:54,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:08:54,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379327804] [2020-11-22 13:08:54,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:54,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:54,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:54,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:54,345 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-11-22 13:08:54,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:54,389 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-11-22 13:08:54,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:54,390 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:08:54,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:54,400 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:08:54,400 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 13:08:54,403 INFO L677 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 [2020-11-22 13:08:54,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 13:08:54,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-22 13:08:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-22 13:08:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-22 13:08:54,439 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-11-22 13:08:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:54,440 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-22 13:08:54,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:54,440 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-22 13:08:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:08:54,441 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:54,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:54,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:54,654 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:54,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:54,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1532989315, now seen corresponding path program 1 times [2020-11-22 13:08:54,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:54,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735392145] [2020-11-22 13:08:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:54,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:54,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:54,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:54,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735392145] [2020-11-22 13:08:54,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:54,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:54,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645086445] [2020-11-22 13:08:54,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:54,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:54,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:54,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:54,903 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 4 states. [2020-11-22 13:08:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:54,926 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-11-22 13:08:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:54,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:08:54,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:54,928 INFO L225 Difference]: With dead ends: 75 [2020-11-22 13:08:54,928 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:08:54,929 INFO L677 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 [2020-11-22 13:08:54,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:08:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:08:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:08:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 13:08:54,934 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-22 13:08:54,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:54,934 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 13:08:54,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 13:08:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:54,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:54,936 INFO L422 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] [2020-11-22 13:08:55,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:08:55,156 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:55,156 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2020-11-22 13:08:55,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:55,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134886633] [2020-11-22 13:08:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:55,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:55,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:55,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:55,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134886633] [2020-11-22 13:08:55,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:55,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:55,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128630082] [2020-11-22 13:08:55,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:55,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:55,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:55,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:55,400 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 13:08:55,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:55,437 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-11-22 13:08:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:55,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:08:55,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:55,441 INFO L225 Difference]: With dead ends: 63 [2020-11-22 13:08:55,441 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:08:55,442 INFO L677 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 [2020-11-22 13:08:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:08:55,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:08:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:08:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-11-22 13:08:55,448 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-11-22 13:08:55,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:55,448 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-11-22 13:08:55,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-11-22 13:08:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:08:55,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:55,449 INFO L422 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] [2020-11-22 13:08:55,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:08:55,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:55,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:55,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2020-11-22 13:08:55,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:55,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653594178] [2020-11-22 13:08:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:55,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:55,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:55,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:55,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653594178] [2020-11-22 13:08:55,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:55,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:08:55,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097099568] [2020-11-22 13:08:55,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:55,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:55,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:55,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:55,872 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-11-22 13:08:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:56,003 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-11-22 13:08:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:08:56,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:08:56,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:56,006 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:08:56,006 INFO L226 Difference]: Without dead ends: 126 [2020-11-22 13:08:56,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:08:56,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-22 13:08:56,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-11-22 13:08:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-22 13:08:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-11-22 13:08:56,032 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-11-22 13:08:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,032 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-11-22 13:08:56,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-11-22 13:08:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:08:56,034 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:56,034 INFO L422 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] [2020-11-22 13:08:56,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:08:56,250 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:56,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:56,250 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2020-11-22 13:08:56,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:56,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742703439] [2020-11-22 13:08:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:56,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:56,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:56,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:56,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742703439] [2020-11-22 13:08:56,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:56,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:08:56,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198390992] [2020-11-22 13:08:56,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:56,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:56,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:56,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:56,465 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-11-22 13:08:56,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:56,576 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-11-22 13:08:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:56,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:08:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:56,577 INFO L225 Difference]: With dead ends: 150 [2020-11-22 13:08:56,577 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:08:56,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:56,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:08:56,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:08:56,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:08:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:08:56,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 13:08:56,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,579 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:08:56,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:08:56,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:08:56,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:08:56,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-11-22 13:08:57,392 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L270 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L897(lines 897 907) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 907) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L897-4(lines 897 907) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L898(lines 898 904) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L898-2(lines 898 904) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L898-4(lines 898 904) no Hoare annotation was computed. [2020-11-22 13:08:57,393 INFO L274 CegarLoopResult]: For program point L370(lines 370 377) no Hoare annotation was computed. [2020-11-22 13:08:57,394 INFO L270 CegarLoopResult]: At program point L882(lines 877 884) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,394 INFO L277 CegarLoopResult]: At program point L370-1(lines 370 377) the Hoare annotation is: true [2020-11-22 13:08:57,394 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:08:57,394 INFO L274 CegarLoopResult]: For program point L256(lines 256 269) no Hoare annotation was computed. [2020-11-22 13:08:57,394 INFO L270 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2020-11-22 13:08:57,394 INFO L270 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: false [2020-11-22 13:08:57,394 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-11-22 13:08:57,394 INFO L270 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2020-11-22 13:08:57,395 INFO L274 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2020-11-22 13:08:57,395 INFO L274 CegarLoopResult]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2020-11-22 13:08:57,395 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2020-11-22 13:08:57,395 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:57,395 INFO L270 CegarLoopResult]: At program point L406(lines 1 922) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,395 INFO L270 CegarLoopResult]: At program point L274(lines 225 275) the Hoare annotation is: false [2020-11-22 13:08:57,395 INFO L270 CegarLoopResult]: At program point L60(lines 59 78) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,396 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2020-11-22 13:08:57,396 INFO L270 CegarLoopResult]: At program point L60-2(lines 59 78) the Hoare annotation is: false [2020-11-22 13:08:57,396 INFO L270 CegarLoopResult]: At program point L60-3(lines 59 78) the Hoare annotation is: false [2020-11-22 13:08:57,396 INFO L274 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-11-22 13:08:57,396 INFO L274 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-11-22 13:08:57,396 INFO L274 CegarLoopResult]: For program point L919-2(line 919) no Hoare annotation was computed. [2020-11-22 13:08:57,396 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L270 CegarLoopResult]: At program point L342(lines 338 344) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L227(lines 226 273) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L194(lines 194 198) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 198) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L194-3(lines 194 198) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L194-5(lines 194 198) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L194-6(lines 194 198) no Hoare annotation was computed. [2020-11-22 13:08:57,397 INFO L274 CegarLoopResult]: For program point L194-8(lines 194 198) no Hoare annotation was computed. [2020-11-22 13:08:57,398 INFO L270 CegarLoopResult]: At program point L145(lines 140 148) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,398 INFO L270 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2020-11-22 13:08:57,398 INFO L270 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2020-11-22 13:08:57,398 INFO L274 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-11-22 13:08:57,398 INFO L274 CegarLoopResult]: For program point L426-3(lines 426 430) no Hoare annotation was computed. [2020-11-22 13:08:57,398 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-11-22 13:08:57,398 INFO L274 CegarLoopResult]: For program point L426-6(lines 426 430) no Hoare annotation was computed. [2020-11-22 13:08:57,398 INFO L270 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: false [2020-11-22 13:08:57,399 INFO L274 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2020-11-22 13:08:57,399 INFO L274 CegarLoopResult]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2020-11-22 13:08:57,399 INFO L274 CegarLoopResult]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2020-11-22 13:08:57,399 INFO L274 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-11-22 13:08:57,399 INFO L274 CegarLoopResult]: For program point L246(lines 246 252) no Hoare annotation was computed. [2020-11-22 13:08:57,399 INFO L270 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,399 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:08:57,399 INFO L277 CegarLoopResult]: At program point L379(lines 360 382) the Hoare annotation is: true [2020-11-22 13:08:57,400 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:57,400 INFO L274 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2020-11-22 13:08:57,400 INFO L270 CegarLoopResult]: At program point L264-2(lines 60 66) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,400 INFO L270 CegarLoopResult]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,400 INFO L270 CegarLoopResult]: At program point L463-1(lines 458 466) the Hoare annotation is: false [2020-11-22 13:08:57,400 INFO L270 CegarLoopResult]: At program point L463-2(lines 458 466) the Hoare annotation is: false [2020-11-22 13:08:57,400 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-11-22 13:08:57,401 INFO L274 CegarLoopResult]: For program point L298-1(lines 60 66) no Hoare annotation was computed. [2020-11-22 13:08:57,401 INFO L270 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,401 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: false [2020-11-22 13:08:57,401 INFO L270 CegarLoopResult]: At program point L67-2(lines 67 73) the Hoare annotation is: false [2020-11-22 13:08:57,401 INFO L270 CegarLoopResult]: At program point L414(lines 409 417) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,401 INFO L274 CegarLoopResult]: For program point L893(lines 893 910) no Hoare annotation was computed. [2020-11-22 13:08:57,401 INFO L270 CegarLoopResult]: At program point L893-1(lines 1 922) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:57,402 INFO L274 CegarLoopResult]: For program point L893-2(lines 893 910) no Hoare annotation was computed. [2020-11-22 13:08:57,402 INFO L270 CegarLoopResult]: At program point L893-3(lines 1 922) the Hoare annotation is: false [2020-11-22 13:08:57,402 INFO L274 CegarLoopResult]: For program point L893-4(lines 893 910) no Hoare annotation was computed. [2020-11-22 13:08:57,402 INFO L270 CegarLoopResult]: At program point L893-5(lines 1 922) the Hoare annotation is: false [2020-11-22 13:08:57,402 INFO L270 CegarLoopResult]: At program point L200(lines 185 203) the Hoare annotation is: false [2020-11-22 13:08:57,402 INFO L270 CegarLoopResult]: At program point L200-1(lines 185 203) the Hoare annotation is: false [2020-11-22 13:08:57,402 INFO L270 CegarLoopResult]: At program point L200-2(lines 185 203) the Hoare annotation is: false [2020-11-22 13:08:57,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:57 BoogieIcfgContainer [2020-11-22 13:08:57,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:57,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:57,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:57,441 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:57,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:53" (3/4) ... [2020-11-22 13:08:57,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:08:57,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:08:57,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:08:57,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:08:57,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:08:57,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:08:57,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:57,470 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:57,500 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:08:57,554 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a32efd7d-f8a2-44f2-89c5-9f9d9cdd121a/bin/utaipan/witness.graphml [2020-11-22 13:08:57,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:57,556 INFO L168 Benchmark]: Toolchain (without parser) took 6744.49 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.8 MB in the beginning and 48.8 MB in the end (delta: -1.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,556 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:57,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.20 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 39.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.24 ms. Allocated memory is still 67.1 MB. Free memory was 39.4 MB in the beginning and 36.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,557 INFO L168 Benchmark]: Boogie Preprocessor took 82.19 ms. Allocated memory is still 67.1 MB. Free memory was 36.5 MB in the beginning and 34.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,557 INFO L168 Benchmark]: RCFGBuilder took 2301.98 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 34.1 MB in the beginning and 34.5 MB in the end (delta: -412.0 kB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,557 INFO L168 Benchmark]: TraceAbstraction took 3538.03 ms. Allocated memory is still 81.8 MB. Free memory was 34.0 MB in the beginning and 55.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,557 INFO L168 Benchmark]: Witness Printer took 113.33 ms. Allocated memory is still 81.8 MB. Free memory was 55.8 MB in the beginning and 48.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:57,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.20 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 39.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.24 ms. Allocated memory is still 67.1 MB. Free memory was 39.4 MB in the beginning and 36.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.19 ms. Allocated memory is still 67.1 MB. Free memory was 36.5 MB in the beginning and 34.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2301.98 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 34.1 MB in the beginning and 34.5 MB in the end (delta: -412.0 kB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3538.03 ms. Allocated memory is still 81.8 MB. Free memory was 34.0 MB in the beginning and 55.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Witness Printer took 113.33 ms. Allocated memory is still 81.8 MB. Free memory was 55.8 MB in the beginning and 48.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 312 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 167 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1269 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...