./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.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_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/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 5afec15b24012ce62630e94cc787fef1371f4427 ............................................................................................................................................ 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_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/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 5afec15b24012ce62630e94cc787fef1371f4427 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:47:31,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:47:31,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:47:31,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:47:31,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:47:31,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:47:31,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:47:31,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:47:31,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:47:31,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:47:31,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:47:31,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:47:31,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:47:31,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:47:31,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:47:31,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:47:31,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:47:31,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:47:31,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:47:31,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:47:31,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:47:31,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:47:31,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:47:31,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:47:31,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:47:31,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:47:31,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:47:31,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:47:31,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:47:31,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:47:31,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:47:31,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:47:31,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:47:31,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:47:31,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:47:31,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:47:31,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:47:31,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:47:31,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:47:31,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:47:31,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:47:31,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:47:31,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:47:31,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:47:31,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:47:31,743 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:47:31,744 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:47:31,744 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:47:31,744 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:47:31,744 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:47:31,745 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:47:31,745 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:47:31,746 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:47:31,746 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:47:31,747 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:47:31,747 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:47:31,747 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:47:31,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:47:31,748 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:47:31,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:47:31,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:47:31,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:47:31,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:47:31,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:47:31,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:47:31,750 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:47:31,750 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:47:31,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:47:31,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:47:31,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:47:31,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:47:31,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:47:31,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:47:31,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:47:31,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:47:31,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:47:31,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:47:31,753 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:47:31,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:47:31,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:47:31,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:47:31,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:47:31,754 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_ea9deccc-3f13-4524-9ee8-f47be1b7771e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afec15b24012ce62630e94cc787fef1371f4427 [2020-11-22 12:47:32,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:47:32,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:47:32,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:47:32,131 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:47:32,133 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:47:32,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-11-22 12:47:32,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/842a99790/fdd8578ddb3848aba067e727dca23821/FLAGc6f34d3e2 [2020-11-22 12:47:32,799 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:47:32,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-11-22 12:47:32,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/842a99790/fdd8578ddb3848aba067e727dca23821/FLAGc6f34d3e2 [2020-11-22 12:47:33,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/842a99790/fdd8578ddb3848aba067e727dca23821 [2020-11-22 12:47:33,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:47:33,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:47:33,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:47:33,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:47:33,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:47:33,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:47:33" (1/1) ... [2020-11-22 12:47:33,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cec87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:33, skipping insertion in model container [2020-11-22 12:47:33,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:47:33" (1/1) ... [2020-11-22 12:47:33,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:47:33,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:47:33,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:47:33,601 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:47:33,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74c976d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:33, skipping insertion in model container [2020-11-22 12:47:33,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:47:33,608 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:47:33,615 INFO L168 Benchmark]: Toolchain (without parser) took 483.54 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 66.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:33,616 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:47:33,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.80 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 66.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:33,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.80 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 66.6 MB in the end (delta: -7.9 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: 203]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:47:36,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:47:36,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:47:36,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:47:36,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:47:36,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:47:36,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:47:36,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:47:36,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:47:36,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:47:36,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:47:36,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:47:36,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:47:36,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:47:36,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:47:36,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:47:36,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:47:36,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:47:36,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:47:36,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:47:36,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:47:36,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:47:36,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:47:36,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:47:36,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:47:36,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:47:36,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:47:36,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:47:36,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:47:36,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:47:36,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:47:36,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:47:36,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:47:36,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:47:36,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:47:36,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:47:36,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:47:36,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:47:36,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:47:36,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:47:36,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:47:36,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:47:36,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:47:36,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:47:36,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:47:36,591 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:47:36,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:47:36,592 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:47:36,592 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:47:36,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:47:36,592 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:47:36,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:47:36,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:47:36,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:47:36,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:47:36,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:47:36,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:47:36,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:47:36,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:47:36,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:47:36,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:47:36,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:47:36,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:47:36,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:47:36,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:47:36,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:47:36,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:47:36,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:47:36,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:47:36,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:47:36,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:47:36,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:47:36,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:47:36,599 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:47:36,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:47:36,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:47:36,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:47:36,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:47:36,600 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_ea9deccc-3f13-4524-9ee8-f47be1b7771e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afec15b24012ce62630e94cc787fef1371f4427 [2020-11-22 12:47:37,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:47:37,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:47:37,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:47:37,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:47:37,067 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:47:37,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-11-22 12:47:37,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/44b692c7f/ad272a95ac644c3d8382cf9729022ef6/FLAG8582fcb55 [2020-11-22 12:47:37,832 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:47:37,833 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-11-22 12:47:37,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/44b692c7f/ad272a95ac644c3d8382cf9729022ef6/FLAG8582fcb55 [2020-11-22 12:47:38,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/data/44b692c7f/ad272a95ac644c3d8382cf9729022ef6 [2020-11-22 12:47:38,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:47:38,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:47:38,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:47:38,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:47:38,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:47:38,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@abd4aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38, skipping insertion in model container [2020-11-22 12:47:38,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:47:38,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:47:38,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:47:38,608 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:47:38,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:47:38,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:47:38,714 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:47:38,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:47:38,877 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:47:38,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38 WrapperNode [2020-11-22 12:47:38,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:47:38,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:47:38,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:47:38,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:47:38,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:47:38,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:47:38,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:47:38,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:47:38,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:38,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:39,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:39,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... [2020-11-22 12:47:39,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:47:39,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:47:39,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:47:39,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:47:39,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:47:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:47:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:47:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:47:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:47:41,598 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:47:41,598 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-11-22 12:47:41,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:47:41 BoogieIcfgContainer [2020-11-22 12:47:41,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:47:41,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:47:41,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:47:41,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:47:41,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:47:38" (1/3) ... [2020-11-22 12:47:41,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2698e57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:47:41, skipping insertion in model container [2020-11-22 12:47:41,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:47:38" (2/3) ... [2020-11-22 12:47:41,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2698e57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:47:41, skipping insertion in model container [2020-11-22 12:47:41,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:47:41" (3/3) ... [2020-11-22 12:47:41,614 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2020-11-22 12:47:41,625 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:47:41,630 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:47:41,640 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:47:41,660 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:47:41,660 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:47:41,660 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:47:41,660 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:47:41,660 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:47:41,660 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:47:41,660 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:47:41,660 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:47:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-22 12:47:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:47:41,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:47:41,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:47:41,680 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:47:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:47:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1782981536, now seen corresponding path program 1 times [2020-11-22 12:47:41,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:47:41,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409236803] [2020-11-22 12:47:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:47:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:47:41,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:47:41,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:47:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:47:41,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:47:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:47:41,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409236803] [2020-11-22 12:47:41,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:47:41,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:47:41,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502446964] [2020-11-22 12:47:41,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:47:41,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:47:41,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:47:41,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:47:41,999 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-22 12:47:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:47:42,043 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-11-22 12:47:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:47:42,046 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:47:42,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:47:42,060 INFO L225 Difference]: With dead ends: 123 [2020-11-22 12:47:42,060 INFO L226 Difference]: Without dead ends: 59 [2020-11-22 12:47:42,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:47:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-22 12:47:42,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-22 12:47:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-22 12:47:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-11-22 12:47:42,096 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-11-22 12:47:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:47:42,097 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-22 12:47:42,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:47:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-22 12:47:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:47:42,098 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:47:42,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:47:42,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:47:42,319 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:47:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:47:42,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1600955007, now seen corresponding path program 1 times [2020-11-22 12:47:42,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:47:42,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31036652] [2020-11-22 12:47:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:47:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:47:42,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:47:42,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:47:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:47:42,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:47:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:47:42,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31036652] [2020-11-22 12:47:42,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:47:42,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:47:42,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718040826] [2020-11-22 12:47:42,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:47:42,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:47:42,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:47:42,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:47:42,544 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 4 states. [2020-11-22 12:47:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:47:42,561 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-11-22 12:47:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:47:42,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:47:42,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:47:42,563 INFO L225 Difference]: With dead ends: 59 [2020-11-22 12:47:42,564 INFO L226 Difference]: Without dead ends: 29 [2020-11-22 12:47:42,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:47:42,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-22 12:47:42,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-22 12:47:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-22 12:47:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-22 12:47:42,580 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-11-22 12:47:42,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:47:42,581 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-22 12:47:42,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:47:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-22 12:47:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:47:42,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:47:42,583 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:47:42,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:47:42,800 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:47:42,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:47:42,801 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2020-11-22 12:47:42,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:47:42,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914690127] [2020-11-22 12:47:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:47:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:47:42,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:47:42,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:47:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:47:42,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:47:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:47:43,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914690127] [2020-11-22 12:47:43,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:47:43,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:47:43,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968533941] [2020-11-22 12:47:43,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:47:43,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:47:43,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:47:43,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:47:43,050 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 8 states. [2020-11-22 12:47:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:47:43,433 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2020-11-22 12:47:43,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 12:47:43,435 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-22 12:47:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:47:43,437 INFO L225 Difference]: With dead ends: 244 [2020-11-22 12:47:43,438 INFO L226 Difference]: Without dead ends: 221 [2020-11-22 12:47:43,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 12:47:43,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-11-22 12:47:43,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2020-11-22 12:47:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-22 12:47:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2020-11-22 12:47:43,473 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2020-11-22 12:47:43,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:47:43,474 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2020-11-22 12:47:43,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:47:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-11-22 12:47:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:47:43,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:47:43,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:47:43,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:47:43,694 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:47:43,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:47:43,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2020-11-22 12:47:43,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:47:43,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563379870] [2020-11-22 12:47:43,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:47:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:47:44,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:47:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:47:45,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:47:45,930 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:47:45,930 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:47:46,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:47:46,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:47:46 BoogieIcfgContainer [2020-11-22 12:47:46,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:47:46,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:47:46,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:47:46,252 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:47:46,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:47:41" (3/4) ... [2020-11-22 12:47:46,255 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:47:46,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ea9deccc-3f13-4524-9ee8-f47be1b7771e/bin/utaipan/witness.graphml [2020-11-22 12:47:46,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:47:46,354 INFO L168 Benchmark]: Toolchain (without parser) took 8261.30 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 26.3 MB in the beginning and 43.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,354 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 46.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:47:46,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.63 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.0 MB in the beginning and 34.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.52 ms. Allocated memory is still 67.1 MB. Free memory was 34.1 MB in the beginning and 46.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,358 INFO L168 Benchmark]: Boogie Preprocessor took 52.65 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 44.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,359 INFO L168 Benchmark]: RCFGBuilder took 2587.24 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.5 MB in the beginning and 56.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,359 INFO L168 Benchmark]: TraceAbstraction took 4646.47 ms. Allocated memory is still 81.8 MB. Free memory was 55.7 MB in the beginning and 53.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,359 INFO L168 Benchmark]: Witness Printer took 100.06 ms. Allocated memory is still 81.8 MB. Free memory was 53.8 MB in the beginning and 43.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:47:46,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 46.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 779.63 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.0 MB in the beginning and 34.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.52 ms. Allocated memory is still 67.1 MB. Free memory was 34.1 MB in the beginning and 46.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.65 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 44.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2587.24 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 44.5 MB in the beginning and 56.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4646.47 ms. Allocated memory is still 81.8 MB. Free memory was 55.7 MB in the beginning and 53.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Witness Printer took 100.06 ms. Allocated memory is still 81.8 MB. Free memory was 53.8 MB in the beginning and 43.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L783] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L554] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L556] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L562] tmp = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND TRUE \read(tmp___2) [L744] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] int tmp ; [L751] int tmp___0 ; [L752] int tmp___1 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] tmp = isMethaneLevelCritical() [L758] COND FALSE !(\read(tmp)) [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L762] tmp___0 = getWaterLevel() [L764] COND TRUE tmp___0 == 2 [L696] int retValue_acc ; [L699] retValue_acc = pumpRunning [L700] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] tmp___1 = isPumpRunning() [L768] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product10.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 384 SDslu, 452 SDs, 0 SdLazy, 100 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 6384 SizeOfPredicates, 5 NumberOfNonLiveVariables, 590 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...