./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 ............................................................................................................................................ 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_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:25,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:25,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:26,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:26,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:26,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:26,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:26,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:26,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:26,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:26,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:26,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:26,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:26,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:26,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:26,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:26,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:26,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:26,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:26,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:26,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:26,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:26,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:26,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:26,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:26,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:26,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:26,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:26,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:26,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:26,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:26,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:26,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:26,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:26,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:26,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:26,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:26,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:26,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:26,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:26,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:26,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:26,185 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:26,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:26,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:26,188 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:26,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:26,188 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:26,189 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:26,189 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:26,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:26,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:26,191 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:26,191 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:26,191 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:26,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:26,192 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:26,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:26,193 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:26,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:26,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:26,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:26,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:26,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:26,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:26,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:26,195 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:26,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:26,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:26,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:26,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:26,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:26,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:26,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:26,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:26,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:26,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:26,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:26,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:26,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:26,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:26,201 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_ea22c07d-cc9d-45f6-b33d-7646de03498f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2020-11-28 07:42:26,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:26,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:26,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:26,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:26,519 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:26,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 07:42:26,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/1bb85de3e/0a35b5d6ccf04cbb8f231eec95a1dec8/FLAG5944adee0 [2020-11-28 07:42:27,142 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:27,142 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 07:42:27,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/1bb85de3e/0a35b5d6ccf04cbb8f231eec95a1dec8/FLAG5944adee0 [2020-11-28 07:42:27,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/1bb85de3e/0a35b5d6ccf04cbb8f231eec95a1dec8 [2020-11-28 07:42:27,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:27,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:27,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:27,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:27,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:27,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:27" (1/1) ... [2020-11-28 07:42:27,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdd806f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:27, skipping insertion in model container [2020-11-28 07:42:27,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:27" (1/1) ... [2020-11-28 07:42:27,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:27,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:27,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:27,938 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) [2020-11-28 07:42:27,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38a1174b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:27, skipping insertion in model container [2020-11-28 07:42:27,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:27,939 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:42:27,943 INFO L168 Benchmark]: Toolchain (without parser) took 443.17 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 81.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:27,944 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:27,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.40 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 81.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:27,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.40 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 81.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: 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 [2020-11-28 07:42:30,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:30,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:30,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:30,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:30,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:30,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:30,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:30,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:30,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:30,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:30,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:30,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:30,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:30,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:30,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:30,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:30,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:30,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:30,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:30,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:30,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:30,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:30,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:30,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:30,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:30,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:30,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:30,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:30,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:30,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:30,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:30,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:30,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:30,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:30,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:30,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:30,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:30,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:30,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:30,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:30,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:42:30,433 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:30,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:30,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:30,435 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:30,436 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:30,436 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:30,436 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:30,437 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:30,437 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:30,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:30,440 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:30,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:30,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:30,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:30,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:30,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:30,442 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:30,442 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:42:30,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:42:30,443 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:30,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:30,443 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:30,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:30,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:30,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:42:30,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:30,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:30,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:30,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:30,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:30,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:30,446 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:42:30,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:42:30,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:30,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:30,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:30,448 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_ea22c07d-cc9d-45f6-b33d-7646de03498f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2020-11-28 07:42:30,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:30,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:30,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:30,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:30,955 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:30,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 07:42:31,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/93f048f9f/1961afa9e0cd454e90ff5f21bdb18cf3/FLAG3f710e7be [2020-11-28 07:42:31,599 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:31,600 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 07:42:31,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/93f048f9f/1961afa9e0cd454e90ff5f21bdb18cf3/FLAG3f710e7be [2020-11-28 07:42:31,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/data/93f048f9f/1961afa9e0cd454e90ff5f21bdb18cf3 [2020-11-28 07:42:31,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:31,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:31,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:31,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:31,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:31,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:31" (1/1) ... [2020-11-28 07:42:31,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74180c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:31, skipping insertion in model container [2020-11-28 07:42:31,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:31" (1/1) ... [2020-11-28 07:42:31,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:31,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:32,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:32,300 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:42:32,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:32,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:32,385 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:32,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:32,534 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:32,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32 WrapperNode [2020-11-28 07:42:32,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:32,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:32,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:32,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:32,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:32,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:32,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:32,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:32,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... [2020-11-28 07:42:32,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:32,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:32,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:32,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:32,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 [2020-11-28 07:42:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:42:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:35,344 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:35,345 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 07:42:35,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:35 BoogieIcfgContainer [2020-11-28 07:42:35,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:35,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:35,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:35,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:35,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:31" (1/3) ... [2020-11-28 07:42:35,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24129f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:35, skipping insertion in model container [2020-11-28 07:42:35,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:32" (2/3) ... [2020-11-28 07:42:35,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24129f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:35, skipping insertion in model container [2020-11-28 07:42:35,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:35" (3/3) ... [2020-11-28 07:42:35,356 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2020-11-28 07:42:35,370 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:35,375 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:42:35,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:42:35,447 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:35,448 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:35,449 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:35,449 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:35,449 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:35,449 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:35,449 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:35,450 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 07:42:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:42:35,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:35,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:35,471 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:35,479 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-11-28 07:42:35,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:35,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016665630] [2020-11-28 07:42:35,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 [2020-11-28 07:42:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:35,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:42:35,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:35,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:35,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016665630] [2020-11-28 07:42:35,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:35,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:42:35,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605870791] [2020-11-28 07:42:35,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:42:35,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:35,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:42:35,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:35,874 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 07:42:35,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:35,939 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 07:42:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:42:35,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:42:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:35,957 INFO L225 Difference]: With dead ends: 151 [2020-11-28 07:42:35,957 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 07:42:35,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:35,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 07:42:36,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 07:42:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 07:42:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 07:42:36,030 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 07:42:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:36,030 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 07:42:36,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:42:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 07:42:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:42:36,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:36,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:36,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:42:36,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:36,249 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-11-28 07:42:36,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:36,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837442166] [2020-11-28 07:42:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 [2020-11-28 07:42:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:36,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:36,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:36,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:36,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837442166] [2020-11-28 07:42:36,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:36,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:36,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472786795] [2020-11-28 07:42:36,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:36,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:36,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:36,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:36,583 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2020-11-28 07:42:36,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:36,607 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 07:42:36,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:36,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:42:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:36,611 INFO L225 Difference]: With dead ends: 73 [2020-11-28 07:42:36,612 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 07:42:36,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:36,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 07:42:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 07:42:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 07:42:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 07:42:36,628 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 07:42:36,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:36,632 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 07:42:36,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 07:42:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:42:36,635 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:36,635 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] [2020-11-28 07:42:36,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:42:36,848 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:36,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-11-28 07:42:36,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:36,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648007174] [2020-11-28 07:42:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 [2020-11-28 07:42:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:37,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:37,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648007174] [2020-11-28 07:42:37,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:37,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:37,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232197545] [2020-11-28 07:42:37,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:37,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:37,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:37,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:37,143 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2020-11-28 07:42:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:37,228 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2020-11-28 07:42:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:42:37,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:42:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:37,231 INFO L225 Difference]: With dead ends: 116 [2020-11-28 07:42:37,231 INFO L226 Difference]: Without dead ends: 87 [2020-11-28 07:42:37,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:37,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-28 07:42:37,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2020-11-28 07:42:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-28 07:42:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-28 07:42:37,254 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-28 07:42:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:37,255 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-28 07:42:37,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-28 07:42:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 07:42:37,257 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:37,257 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] [2020-11-28 07:42:37,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:42:37,476 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:37,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:37,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-11-28 07:42:37,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:37,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261280603] [2020-11-28 07:42:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 [2020-11-28 07:42:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:37,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:37,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:37,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261280603] [2020-11-28 07:42:37,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:37,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 07:42:37,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178395643] [2020-11-28 07:42:37,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:37,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:37,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:37,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:42:37,736 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2020-11-28 07:42:37,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:37,846 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2020-11-28 07:42:37,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 07:42:37,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 07:42:37,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:37,849 INFO L225 Difference]: With dead ends: 256 [2020-11-28 07:42:37,849 INFO L226 Difference]: Without dead ends: 208 [2020-11-28 07:42:37,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:42:37,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-28 07:42:37,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2020-11-28 07:42:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 07:42:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2020-11-28 07:42:37,892 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2020-11-28 07:42:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:37,893 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2020-11-28 07:42:37,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2020-11-28 07:42:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:42:37,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:37,895 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] [2020-11-28 07:42:38,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:42:38,112 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:38,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:38,112 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2020-11-28 07:42:38,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:38,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610459232] [2020-11-28 07:42:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/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 [2020-11-28 07:42:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:38,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:38,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:38,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:38,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610459232] [2020-11-28 07:42:38,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:38,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:42:38,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296807671] [2020-11-28 07:42:38,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:38,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:38,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:38,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:42:38,419 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand 5 states. [2020-11-28 07:42:38,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:38,601 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2020-11-28 07:42:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:38,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 07:42:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:38,603 INFO L225 Difference]: With dead ends: 286 [2020-11-28 07:42:38,603 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:38,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:38,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:38,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:38,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 07:42:38,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:38,612 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:38,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:38,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:38,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:42:38,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:39,357 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,357 INFO L274 CegarLoopResult]: For program point L630(lines 630 647) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point L630-1(lines 630 647) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point L630-2(lines 630 647) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,358 INFO L274 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2020-11-28 07:42:39,359 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2020-11-28 07:42:39,359 INFO L274 CegarLoopResult]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2020-11-28 07:42:39,359 INFO L270 CegarLoopResult]: At program point L598(lines 597 616) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,359 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-11-28 07:42:39,359 INFO L274 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:39,360 INFO L270 CegarLoopResult]: At program point L565-1(lines 598 604) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,360 INFO L270 CegarLoopResult]: At program point L598-2(lines 597 616) the Hoare annotation is: false [2020-11-28 07:42:39,360 INFO L270 CegarLoopResult]: At program point L598-3(lines 597 616) the Hoare annotation is: false [2020-11-28 07:42:39,360 INFO L274 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2020-11-28 07:42:39,360 INFO L274 CegarLoopResult]: For program point L863-1(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:39,360 INFO L274 CegarLoopResult]: For program point L764(lines 764 770) no Hoare annotation was computed. [2020-11-28 07:42:39,360 INFO L270 CegarLoopResult]: At program point L764-1(lines 764 770) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,361 INFO L270 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,366 INFO L270 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-11-28 07:42:39,366 INFO L270 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-11-28 07:42:39,366 INFO L274 CegarLoopResult]: For program point L930(lines 930 937) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L277 CegarLoopResult]: At program point L930-1(lines 930 937) the Hoare annotation is: true [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L634-1(lines 634 642) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L750-2(lines 750 754) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L750-3(lines 750 754) no Hoare annotation was computed. [2020-11-28 07:42:39,367 INFO L274 CegarLoopResult]: For program point L750-5(lines 750 754) no Hoare annotation was computed. [2020-11-28 07:42:39,368 INFO L274 CegarLoopResult]: For program point L750-6(lines 750 754) no Hoare annotation was computed. [2020-11-28 07:42:39,368 INFO L274 CegarLoopResult]: For program point L750-8(lines 750 754) no Hoare annotation was computed. [2020-11-28 07:42:39,368 INFO L270 CegarLoopResult]: At program point L701(lines 696 704) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,368 INFO L270 CegarLoopResult]: At program point L701-1(lines 696 704) the Hoare annotation is: false [2020-11-28 07:42:39,368 INFO L270 CegarLoopResult]: At program point L701-2(lines 696 704) the Hoare annotation is: false [2020-11-28 07:42:39,368 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-11-28 07:42:39,368 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,369 INFO L274 CegarLoopResult]: For program point L537(lines 537 543) no Hoare annotation was computed. [2020-11-28 07:42:39,369 INFO L270 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,369 INFO L270 CegarLoopResult]: At program point L835(lines 1 942) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:39,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,369 INFO L270 CegarLoopResult]: At program point L605(lines 605 611) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,370 INFO L270 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: false [2020-11-28 07:42:39,370 INFO L270 CegarLoopResult]: At program point L605-2(lines 605 611) the Hoare annotation is: false [2020-11-28 07:42:39,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,370 INFO L274 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-11-28 07:42:39,370 INFO L270 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-11-28 07:42:39,370 INFO L270 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-11-28 07:42:39,370 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-11-28 07:42:39,371 INFO L270 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-11-28 07:42:39,371 INFO L270 CegarLoopResult]: At program point L756(lines 741 759) the Hoare annotation is: false [2020-11-28 07:42:39,371 INFO L270 CegarLoopResult]: At program point L756-1(lines 741 759) the Hoare annotation is: false [2020-11-28 07:42:39,371 INFO L270 CegarLoopResult]: At program point L756-2(lines 741 759) the Hoare annotation is: false [2020-11-28 07:42:39,371 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 07:42:39,371 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 07:42:39,371 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 07:42:39,372 INFO L277 CegarLoopResult]: At program point L939(lines 920 942) the Hoare annotation is: true [2020-11-28 07:42:39,372 INFO L270 CegarLoopResult]: At program point L907(lines 903 909) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:39,372 INFO L270 CegarLoopResult]: At program point L577(lines 526 578) the Hoare annotation is: false [2020-11-28 07:42:39,372 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:42:39,372 INFO L274 CegarLoopResult]: For program point L792(lines 792 805) no Hoare annotation was computed. [2020-11-28 07:42:39,372 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:39,372 INFO L270 CegarLoopResult]: At program point L792-1(lines 1 942) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,373 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 805) no Hoare annotation was computed. [2020-11-28 07:42:39,376 INFO L270 CegarLoopResult]: At program point L792-3(lines 1 942) the Hoare annotation is: false [2020-11-28 07:42:39,376 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 805) no Hoare annotation was computed. [2020-11-28 07:42:39,376 INFO L270 CegarLoopResult]: At program point L792-5(lines 1 942) the Hoare annotation is: false [2020-11-28 07:42:39,377 INFO L274 CegarLoopResult]: For program point L528(lines 527 576) no Hoare annotation was computed. [2020-11-28 07:42:39,377 INFO L270 CegarLoopResult]: At program point L859-2(lines 859 873) the Hoare annotation is: false [2020-11-28 07:42:39,377 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-28 07:42:39,377 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-11-28 07:42:39,377 INFO L270 CegarLoopResult]: At program point L843(lines 838 846) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:39,377 INFO L274 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-11-28 07:42:39,378 INFO L274 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-11-28 07:42:39,378 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-11-28 07:42:39,378 INFO L274 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2020-11-28 07:42:39,379 INFO L270 CegarLoopResult]: At program point L547-1(lines 547 553) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:39,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:39 BoogieIcfgContainer [2020-11-28 07:42:39,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:39,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:39,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:39,412 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:39,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:35" (3/4) ... [2020-11-28 07:42:39,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:39,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:42:39,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:42:39,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:42:39,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:42:39,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:39,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:39,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:39,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-28 07:42:39,557 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ea22c07d-cc9d-45f6-b33d-7646de03498f/bin/utaipan/witness.graphml [2020-11-28 07:42:39,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:39,560 INFO L168 Benchmark]: Toolchain (without parser) took 7648.90 ms. Allocated memory was 65.0 MB in the beginning and 115.3 MB in the end (delta: 50.3 MB). Free memory was 44.3 MB in the beginning and 74.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,561 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 46.9 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:39,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.52 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 30.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.85 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 30.4 MB in the beginning and 71.9 MB in the end (delta: -41.5 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,562 INFO L168 Benchmark]: Boogie Preprocessor took 57.06 ms. Allocated memory is still 90.2 MB. Free memory was 71.9 MB in the beginning and 69.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,563 INFO L168 Benchmark]: RCFGBuilder took 2629.10 ms. Allocated memory is still 90.2 MB. Free memory was 69.8 MB in the beginning and 39.0 MB in the end (delta: 30.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,564 INFO L168 Benchmark]: TraceAbstraction took 4062.70 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 80.4 MB in the end (delta: -42.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,564 INFO L168 Benchmark]: Witness Printer took 146.14 ms. Allocated memory is still 115.3 MB. Free memory was 80.4 MB in the beginning and 74.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:39,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 46.9 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.52 ms. Allocated memory is still 65.0 MB. Free memory was 44.1 MB in the beginning and 30.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.85 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 30.4 MB in the beginning and 71.9 MB in the end (delta: -41.5 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.06 ms. Allocated memory is still 90.2 MB. Free memory was 71.9 MB in the beginning and 69.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2629.10 ms. Allocated memory is still 90.2 MB. Free memory was 69.8 MB in the beginning and 39.0 MB in the end (delta: 30.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4062.70 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 38.5 MB in the beginning and 80.4 MB in the end (delta: -42.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 146.14 ms. Allocated memory is still 115.3 MB. Free memory was 80.4 MB in the beginning and 74.1 MB in the end (delta: 6.3 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: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 446 SDslu, 393 SDs, 0 SdLazy, 50 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 976 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...