./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 24356a2f1c32c3171f965552405bf63c18ffd4b2 ............................................................................................................................................ 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_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 24356a2f1c32c3171f965552405bf63c18ffd4b2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:07:14,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:14,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:14,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:14,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:14,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:14,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:14,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:14,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:14,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:14,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:14,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:14,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:14,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:14,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:14,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:14,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:15,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:15,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:15,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:15,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:15,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:15,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:15,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:15,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:15,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:15,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:15,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:15,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:15,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:15,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:15,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:15,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:15,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:15,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:15,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:15,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:15,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:15,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:15,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:15,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:15,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:07:15,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:15,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:15,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:15,094 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:15,095 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:15,095 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:15,095 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:15,095 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:15,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:15,096 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:15,097 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:15,097 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:15,098 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:15,098 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:15,098 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:15,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:15,099 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:15,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:15,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:15,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:15,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:15,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:15,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:15,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:15,101 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:15,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:15,102 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:15,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:15,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:15,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:15,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:15,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:15,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:15,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:15,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:15,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:15,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:15,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:15,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:15,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:15,107 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_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24356a2f1c32c3171f965552405bf63c18ffd4b2 [2020-11-22 13:07:15,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:15,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:15,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:15,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:15,447 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:15,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-22 13:07:15,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/12f42d6ec/70d1af19c28b4b2285163658df0de349/FLAG1199166db [2020-11-22 13:07:16,075 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:16,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-22 13:07:16,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/12f42d6ec/70d1af19c28b4b2285163658df0de349/FLAG1199166db [2020-11-22 13:07:16,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/12f42d6ec/70d1af19c28b4b2285163658df0de349 [2020-11-22 13:07:16,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:16,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:16,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:16,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:16,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:16,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:16" (1/1) ... [2020-11-22 13:07:16,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512f313e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:16, skipping insertion in model container [2020-11-22 13:07:16,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:16" (1/1) ... [2020-11-22 13:07:16,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:16,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:16,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:16,834 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 13:07:16,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d830061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:16, skipping insertion in model container [2020-11-22 13:07:16,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:16,835 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:07:16,837 INFO L168 Benchmark]: Toolchain (without parser) took 434.35 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 79.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:16,838 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:16,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.38 ms. Allocated memory is still 104.9 MB. Free memory was 77.1 MB in the beginning and 79.8 MB in the end (delta: -2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:16,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.38 ms. Allocated memory is still 104.9 MB. Free memory was 77.1 MB in the beginning and 79.8 MB in the end (delta: -2.7 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: 592]: 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 13:07:19,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:19,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:19,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:19,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:19,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:19,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:19,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:19,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:19,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:19,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:19,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:19,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:19,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:19,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:19,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:19,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:19,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:19,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:19,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:19,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:19,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:19,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:19,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:19,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:19,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:19,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:19,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:19,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:19,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:19,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:19,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:19,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:19,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:19,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:19,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:19,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:19,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:19,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:19,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:19,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:19,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:07:19,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:19,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:19,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:19,438 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:19,438 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:19,438 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:19,439 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:19,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:19,439 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:19,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:19,442 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:19,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:19,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:19,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:19,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:19,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:19,443 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:19,443 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:07:19,444 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:07:19,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:19,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:19,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:19,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:19,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:19,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:07:19,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:19,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:19,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:19,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:19,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:19,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:19,446 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:07:19,447 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:07:19,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:19,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:19,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:19,448 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_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24356a2f1c32c3171f965552405bf63c18ffd4b2 [2020-11-22 13:07:19,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:19,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:19,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:19,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:19,982 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:19,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-22 13:07:20,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/955dd2f56/f144f34bf1a14382a42262ba4affa114/FLAGece750979 [2020-11-22 13:07:20,775 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:20,777 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-22 13:07:20,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/955dd2f56/f144f34bf1a14382a42262ba4affa114/FLAGece750979 [2020-11-22 13:07:21,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/data/955dd2f56/f144f34bf1a14382a42262ba4affa114 [2020-11-22 13:07:21,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:21,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:21,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:21,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:21,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:21,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:21,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219c9748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21, skipping insertion in model container [2020-11-22 13:07:21,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:21,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:21,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:21,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:21,669 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:07:21,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:21,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:21,821 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:07:21,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:21,966 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:07:21,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21 WrapperNode [2020-11-22 13:07:21,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:21,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:21,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:07:21,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:07:21,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:22,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:07:22,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:07:22,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:07:22,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... [2020-11-22 13:07:22,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:07:22,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:07:22,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:07:22,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:07:22,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 13:07:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:07:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:07:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:07:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:07:24,916 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:07:24,917 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-22 13:07:24,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:24 BoogieIcfgContainer [2020-11-22 13:07:24,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:07:24,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:07:24,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:07:24,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:07:24,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:07:21" (1/3) ... [2020-11-22 13:07:24,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1537a7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:24, skipping insertion in model container [2020-11-22 13:07:24,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:21" (2/3) ... [2020-11-22 13:07:24,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1537a7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:24, skipping insertion in model container [2020-11-22 13:07:24,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:24" (3/3) ... [2020-11-22 13:07:24,928 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-11-22 13:07:24,939 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:07:24,944 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:07:24,955 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:07:24,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:07:24,977 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:07:24,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:07:24,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:07:24,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:07:24,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:07:24,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:07:24,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:07:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-22 13:07:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:07:24,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:24,995 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 13:07:24,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:25,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:25,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-11-22 13:07:25,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:25,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157477947] [2020-11-22 13:07:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 13:07:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:25,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:07:25,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:25,317 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 13:07:25,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:25,323 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 13:07:25,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157477947] [2020-11-22 13:07:25,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:25,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:07:25,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173721787] [2020-11-22 13:07:25,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:07:25,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:25,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:07:25,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:07:25,344 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-11-22 13:07:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:25,370 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-11-22 13:07:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:07:25,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:07:25,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:25,381 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:07:25,381 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 13:07:25,384 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 13:07:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 13:07:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-22 13:07:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-22 13:07:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-22 13:07:25,435 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-11-22 13:07:25,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:25,435 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-22 13:07:25,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:07:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-22 13:07:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:07:25,437 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:25,437 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 13:07:25,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:07:25,655 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:25,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:25,656 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-11-22 13:07:25,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:25,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852575385] [2020-11-22 13:07:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 13:07:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:25,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:07:25,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:25,892 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 13:07:25,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:25,908 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 13:07:25,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852575385] [2020-11-22 13:07:25,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:25,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:07:25,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429646062] [2020-11-22 13:07:25,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:07:25,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:25,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:07:25,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:07:25,912 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 4 states. [2020-11-22 13:07:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:25,935 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-11-22 13:07:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:07:25,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:07:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:25,937 INFO L225 Difference]: With dead ends: 75 [2020-11-22 13:07:25,937 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:07:25,938 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 13:07:25,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:07:25,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:07:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:07:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-22 13:07:25,944 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-22 13:07:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:25,944 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-22 13:07:25,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:07:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-22 13:07:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:07:25,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:25,946 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 13:07:26,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:07:26,152 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:26,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:26,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-11-22 13:07:26,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:26,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70229162] [2020-11-22 13:07:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 13:07:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:26,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:07:26,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:26,351 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 13:07:26,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:26,361 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 13:07:26,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70229162] [2020-11-22 13:07:26,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:26,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:07:26,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913931307] [2020-11-22 13:07:26,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:07:26,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:26,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:07:26,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:07:26,364 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-22 13:07:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:26,374 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-11-22 13:07:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:07:26,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:07:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:26,379 INFO L225 Difference]: With dead ends: 63 [2020-11-22 13:07:26,379 INFO L226 Difference]: Without dead ends: 35 [2020-11-22 13:07:26,379 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 13:07:26,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-22 13:07:26,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-22 13:07:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-22 13:07:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-11-22 13:07:26,385 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-11-22 13:07:26,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:26,386 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-11-22 13:07:26,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:07:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-11-22 13:07:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:07:26,387 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:26,387 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 13:07:26,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:07:26,608 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:26,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:26,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-11-22 13:07:26,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:26,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770108477] [2020-11-22 13:07:26,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 13:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:26,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:07:26,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:26,857 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 13:07:26,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:26,889 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 13:07:26,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770108477] [2020-11-22 13:07:26,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:26,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:07:26,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645014020] [2020-11-22 13:07:26,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:07:26,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:26,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:07:26,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:07:26,893 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-11-22 13:07:27,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:27,056 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-11-22 13:07:27,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:07:27,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:07:27,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:27,060 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:07:27,060 INFO L226 Difference]: Without dead ends: 126 [2020-11-22 13:07:27,061 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 13:07:27,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-22 13:07:27,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-11-22 13:07:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-22 13:07:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-11-22 13:07:27,078 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-11-22 13:07:27,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:27,078 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-11-22 13:07:27,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:07:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-11-22 13:07:27,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:07:27,080 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:27,080 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 13:07:27,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:07:27,297 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:27,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:27,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-11-22 13:07:27,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:07:27,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563208464] [2020-11-22 13:07:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/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 13:07:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:27,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:07:27,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:07:27,495 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 13:07:27,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:07:27,500 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 13:07:27,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563208464] [2020-11-22 13:07:27,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:27,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:07:27,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206388636] [2020-11-22 13:07:27,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:07:27,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:07:27,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:07:27,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:07:27,502 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-11-22 13:07:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:27,628 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-11-22 13:07:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:07:27,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-22 13:07:27,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:27,629 INFO L225 Difference]: With dead ends: 150 [2020-11-22 13:07:27,629 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:07:27,630 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 13:07:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:07:27,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:07:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:07:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:07:27,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-22 13:07:27,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:27,631 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:07:27,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:07:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:07:27,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:07:27,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:07:27,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L547-2(lines 547 553) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L547-4(lines 547 553) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:07:28,429 INFO L274 CegarLoopResult]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2020-11-22 13:07:28,430 INFO L274 CegarLoopResult]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2020-11-22 13:07:28,430 INFO L270 CegarLoopResult]: At program point L531(lines 526 533) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:07:28,430 INFO L270 CegarLoopResult]: At program point L366(lines 361 369) 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 13:07:28,430 INFO L270 CegarLoopResult]: At program point L366-1(lines 361 369) the Hoare annotation is: false [2020-11-22 13:07:28,430 INFO L270 CegarLoopResult]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2020-11-22 13:07:28,430 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-22 13:07:28,431 INFO L274 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-11-22 13:07:28,431 INFO L270 CegarLoopResult]: At program point L170(lines 1 928) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:07:28,432 INFO L270 CegarLoopResult]: At program point L203-1(lines 203 209) 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 13:07:28,432 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-22 13:07:28,432 INFO L270 CegarLoopResult]: At program point L270(lines 270 276) 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 13:07:28,432 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: false [2020-11-22 13:07:28,432 INFO L270 CegarLoopResult]: At program point L270-2(lines 270 276) the Hoare annotation is: false [2020-11-22 13:07:28,432 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:07:28,432 INFO L270 CegarLoopResult]: At program point L470(lines 465 473) 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 13:07:28,433 INFO L270 CegarLoopResult]: At program point L470-1(lines 465 473) the Hoare annotation is: false [2020-11-22 13:07:28,433 INFO L270 CegarLoopResult]: At program point L470-2(lines 465 473) the Hoare annotation is: false [2020-11-22 13:07:28,433 INFO L270 CegarLoopResult]: At program point L239(lines 192 240) the Hoare annotation is: false [2020-11-22 13:07:28,433 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-11-22 13:07:28,433 INFO L274 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-11-22 13:07:28,433 INFO L274 CegarLoopResult]: For program point L520-2(line 520) no Hoare annotation was computed. [2020-11-22 13:07:28,433 INFO L270 CegarLoopResult]: At program point L421(lines 406 424) the Hoare annotation is: false [2020-11-22 13:07:28,433 INFO L270 CegarLoopResult]: At program point L421-1(lines 406 424) the Hoare annotation is: false [2020-11-22 13:07:28,433 INFO L270 CegarLoopResult]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2020-11-22 13:07:28,433 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point L223(lines 223 234) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point L58-1(lines 263 269) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:07:28,434 INFO L274 CegarLoopResult]: For program point L194(lines 193 238) no Hoare annotation was computed. [2020-11-22 13:07:28,435 INFO L270 CegarLoopResult]: At program point L178(lines 173 181) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:07:28,435 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-11-22 13:07:28,435 INFO L274 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-11-22 13:07:28,435 INFO L270 CegarLoopResult]: At program point L542-1(lines 1 928) 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 13:07:28,435 INFO L274 CegarLoopResult]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2020-11-22 13:07:28,435 INFO L270 CegarLoopResult]: At program point L542-3(lines 1 928) the Hoare annotation is: false [2020-11-22 13:07:28,435 INFO L274 CegarLoopResult]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2020-11-22 13:07:28,435 INFO L270 CegarLoopResult]: At program point L542-5(lines 1 928) the Hoare annotation is: false [2020-11-22 13:07:28,435 INFO L274 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-11-22 13:07:28,435 INFO L274 CegarLoopResult]: For program point L295-1(lines 295 312) no Hoare annotation was computed. [2020-11-22 13:07:28,436 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-11-22 13:07:28,436 INFO L274 CegarLoopResult]: For program point L295-2(lines 295 312) no Hoare annotation was computed. [2020-11-22 13:07:28,436 INFO L274 CegarLoopResult]: For program point L229-2(lines 263 269) no Hoare annotation was computed. [2020-11-22 13:07:28,436 INFO L274 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2020-11-22 13:07:28,436 INFO L270 CegarLoopResult]: At program point L213-1(lines 213 219) 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 13:07:28,436 INFO L270 CegarLoopResult]: At program point L263(lines 262 281) 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 13:07:28,436 INFO L274 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-11-22 13:07:28,436 INFO L270 CegarLoopResult]: At program point L263-2(lines 262 281) the Hoare annotation is: false [2020-11-22 13:07:28,437 INFO L270 CegarLoopResult]: At program point L263-3(lines 262 281) the Hoare annotation is: false [2020-11-22 13:07:28,437 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:07:28,437 INFO L270 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: false [2020-11-22 13:07:28,437 INFO L270 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2020-11-22 13:07:28,437 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-22 13:07:28,437 INFO L270 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2020-11-22 13:07:28,437 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:07:28,437 INFO L274 CegarLoopResult]: For program point L546(lines 546 556) no Hoare annotation was computed. [2020-11-22 13:07:28,437 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 556) no Hoare annotation was computed. [2020-11-22 13:07:28,438 INFO L274 CegarLoopResult]: For program point L546-4(lines 546 556) no Hoare annotation was computed. [2020-11-22 13:07:28,438 INFO L274 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-11-22 13:07:28,438 INFO L274 CegarLoopResult]: For program point L299-1(lines 299 307) no Hoare annotation was computed. [2020-11-22 13:07:28,438 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-11-22 13:07:28,438 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-22 13:07:28,438 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-22 13:07:28,438 INFO L274 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2020-11-22 13:07:28,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:07:28 BoogieIcfgContainer [2020-11-22 13:07:28,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:07:28,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:07:28,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:07:28,463 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:07:28,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:24" (3/4) ... [2020-11-22 13:07:28,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:07:28,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:07:28,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:07:28,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:07:28,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:07:28,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:07:28,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:07:28,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:07:28,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:07:28,603 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f1e8ecc5-51e0-4085-a538-b384cb4fbc45/bin/utaipan/witness.graphml [2020-11-22 13:07:28,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:07:28,605 INFO L168 Benchmark]: Toolchain (without parser) took 7527.86 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 26.0 MB in the beginning and 36.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,606 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 32.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:28,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.43 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 25.9 MB in the beginning and 32.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.84 ms. Allocated memory is still 67.1 MB. Free memory was 32.2 MB in the beginning and 47.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,607 INFO L168 Benchmark]: Boogie Preprocessor took 76.88 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 44.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,608 INFO L168 Benchmark]: RCFGBuilder took 2801.78 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.8 MB in the beginning and 57.8 MB in the end (delta: -13.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,609 INFO L168 Benchmark]: TraceAbstraction took 3541.84 ms. Allocated memory is still 81.8 MB. Free memory was 57.1 MB in the beginning and 43.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,609 INFO L168 Benchmark]: Witness Printer took 140.66 ms. Allocated memory is still 81.8 MB. Free memory was 43.8 MB in the beginning and 36.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:28,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 32.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 880.43 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 25.9 MB in the beginning and 32.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.84 ms. Allocated memory is still 67.1 MB. Free memory was 32.2 MB in the beginning and 47.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.88 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 44.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2801.78 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.8 MB in the beginning and 57.8 MB in the end (delta: -13.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3541.84 ms. Allocated memory is still 81.8 MB. Free memory was 57.1 MB in the beginning and 43.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * Witness Printer took 140.66 ms. Allocated memory is still 81.8 MB. Free memory was 43.8 MB in the beginning and 36.8 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: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - 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: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 331 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 9 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, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 795 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 398 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, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 988 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...