./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 062932e2a77eaa56a60a5c6bf9705187ac9d312a ............................................................................................................................................ 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_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 062932e2a77eaa56a60a5c6bf9705187ac9d312a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:39:12,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:12,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:12,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:12,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:12,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:12,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:12,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:12,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:12,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:12,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:12,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:12,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:12,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:12,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:12,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:12,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:12,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:12,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:12,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:12,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:12,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:12,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:12,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:12,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:12,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:12,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:12,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:12,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:12,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:12,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:12,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:12,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:12,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:12,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:12,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:12,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:12,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:12,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:12,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:12,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:12,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:12,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:12,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:12,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:12,677 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:12,677 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:12,677 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:12,677 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:12,677 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:12,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:12,678 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:12,678 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:12,678 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:12,679 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:12,679 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:12,679 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:12,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:12,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:12,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:12,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:12,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:12,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:12,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:12,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:12,681 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:12,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:12,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:12,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:12,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:12,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:12,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:12,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:12,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:12,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:12,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:12,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:12,684 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:12,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:12,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:12,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:12,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:12,685 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_0f40ff30-5945-4afd-966d-03d14ddd7200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2020-11-28 07:39:12,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:13,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:13,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:13,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:13,032 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:13,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-28 07:39:13,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/052b1653b/bd8ede32f9c146bc80440525b5484d9c/FLAGaad04349b [2020-11-28 07:39:13,780 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:13,780 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-28 07:39:13,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/052b1653b/bd8ede32f9c146bc80440525b5484d9c/FLAGaad04349b [2020-11-28 07:39:14,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/052b1653b/bd8ede32f9c146bc80440525b5484d9c [2020-11-28 07:39:14,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:14,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:14,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:14,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:14,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:14,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:14" (1/1) ... [2020-11-28 07:39:14,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa17cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:14, skipping insertion in model container [2020-11-28 07:39:14,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:14" (1/1) ... [2020-11-28 07:39:14,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:14,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:14,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:14,484 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 07:39:14,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34ce54ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:14, skipping insertion in model container [2020-11-28 07:39:14,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:14,486 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:14,489 INFO L168 Benchmark]: Toolchain (without parser) took 472.04 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 82.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:14,490 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 81.4 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:14,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.24 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 82.4 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:14,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 81.4 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.24 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 82.4 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 07:39:16,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:16,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:16,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:16,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:16,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:16,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:16,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:16,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:16,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:16,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:16,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:16,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:16,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:16,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:16,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:16,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:16,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:16,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:16,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:16,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:16,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:16,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:16,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:16,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:16,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:16,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:16,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:16,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:16,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:16,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:16,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:16,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:16,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:16,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:16,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:16,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:16,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:16,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:16,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:16,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:16,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:16,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:16,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:16,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:16,878 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:16,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:16,878 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:16,879 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:16,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:16,879 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:16,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:16,881 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:16,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:16,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:16,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:16,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:16,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:16,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:16,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:16,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:16,883 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:16,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:16,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:16,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:16,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:16,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:16,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:16,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:16,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:16,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:16,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:16,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:16,906 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:16,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:16,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:16,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:16,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:16,908 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_0f40ff30-5945-4afd-966d-03d14ddd7200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2020-11-28 07:39:17,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:17,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:17,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:17,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:17,374 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:17,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-28 07:39:17,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/22aa3e678/a59af498f7c64bc489ebde57c32dd811/FLAG33b365598 [2020-11-28 07:39:18,083 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:18,085 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-11-28 07:39:18,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/22aa3e678/a59af498f7c64bc489ebde57c32dd811/FLAG33b365598 [2020-11-28 07:39:18,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/data/22aa3e678/a59af498f7c64bc489ebde57c32dd811 [2020-11-28 07:39:18,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:18,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:18,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:18,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:18,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:18,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:18" (1/1) ... [2020-11-28 07:39:18,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563732af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:18, skipping insertion in model container [2020-11-28 07:39:18,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:18" (1/1) ... [2020-11-28 07:39:18,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:18,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:18,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:18,819 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:39:18,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:18,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:18,947 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:19,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:19,063 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:19,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19 WrapperNode [2020-11-28 07:39:19,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:19,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:19,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:19,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:19,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:19,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:19,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:19,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:19,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... [2020-11-28 07:39:19,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:19,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:19,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:19,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:19,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 07:39:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:39:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:21,945 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:21,945 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-28 07:39:21,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:21 BoogieIcfgContainer [2020-11-28 07:39:21,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:39:21,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:39:21,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:39:21,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:39:21,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:18" (1/3) ... [2020-11-28 07:39:21,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144ee900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:21, skipping insertion in model container [2020-11-28 07:39:21,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:19" (2/3) ... [2020-11-28 07:39:21,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144ee900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:21, skipping insertion in model container [2020-11-28 07:39:21,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:21" (3/3) ... [2020-11-28 07:39:21,956 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-11-28 07:39:21,971 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:39:21,975 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:39:21,987 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:39:22,026 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:39:22,026 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:39:22,027 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:39:22,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:39:22,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:39:22,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:39:22,027 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:39:22,027 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:39:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-28 07:39:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 07:39:22,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:22,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:22,059 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:22,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:22,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1503259986, now seen corresponding path program 1 times [2020-11-28 07:39:22,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:22,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267928729] [2020-11-28 07:39:22,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 07:39:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:22,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:39:22,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:22,403 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 07:39:22,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:22,410 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 07:39:22,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267928729] [2020-11-28 07:39:22,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:22,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:39:22,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196962172] [2020-11-28 07:39:22,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:39:22,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:22,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:39:22,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:22,434 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-28 07:39:22,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:22,468 INFO L93 Difference]: Finished difference Result 214 states and 321 transitions. [2020-11-28 07:39:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:39:22,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 07:39:22,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:22,480 INFO L225 Difference]: With dead ends: 214 [2020-11-28 07:39:22,480 INFO L226 Difference]: Without dead ends: 105 [2020-11-28 07:39:22,484 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 [2020-11-28 07:39:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-11-28 07:39:22,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-11-28 07:39:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-28 07:39:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-11-28 07:39:22,544 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2020-11-28 07:39:22,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:22,545 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-11-28 07:39:22,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:39:22,545 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-11-28 07:39:22,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 07:39:22,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:22,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:22,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:39:22,763 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:22,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:22,764 INFO L82 PathProgramCache]: Analyzing trace with hash 421347875, now seen corresponding path program 1 times [2020-11-28 07:39:22,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:22,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516382678] [2020-11-28 07:39:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 07:39:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:23,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:39:23,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:23,070 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 07:39:23,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:23,086 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 07:39:23,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516382678] [2020-11-28 07:39:23,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:23,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:39:23,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888952656] [2020-11-28 07:39:23,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:39:23,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:23,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:39:23,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:23,090 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 4 states. [2020-11-28 07:39:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:23,110 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-11-28 07:39:23,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:39:23,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-28 07:39:23,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:23,112 INFO L225 Difference]: With dead ends: 105 [2020-11-28 07:39:23,112 INFO L226 Difference]: Without dead ends: 45 [2020-11-28 07:39:23,113 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 [2020-11-28 07:39:23,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-28 07:39:23,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-28 07:39:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-28 07:39:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-11-28 07:39:23,137 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-11-28 07:39:23,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:23,137 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-11-28 07:39:23,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:39:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-11-28 07:39:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:39:23,139 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:23,139 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 07:39:23,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:39:23,358 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:23,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:23,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2020-11-28 07:39:23,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:23,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244514315] [2020-11-28 07:39:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 07:39:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:23,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:39:23,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:23,689 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 07:39:23,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:23,703 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 07:39:23,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244514315] [2020-11-28 07:39:23,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:23,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:39:23,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109116527] [2020-11-28 07:39:23,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:39:23,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:23,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:39:23,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:23,707 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2020-11-28 07:39:23,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:23,742 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-11-28 07:39:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:39:23,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-28 07:39:23,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:23,744 INFO L225 Difference]: With dead ends: 83 [2020-11-28 07:39:23,745 INFO L226 Difference]: Without dead ends: 45 [2020-11-28 07:39:23,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:39:23,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-28 07:39:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-28 07:39:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-28 07:39:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-11-28 07:39:23,753 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-11-28 07:39:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:23,753 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-11-28 07:39:23,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:39:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-11-28 07:39:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 07:39:23,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:23,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:23,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:39:23,969 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:23,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:23,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2020-11-28 07:39:23,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:23,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255187592] [2020-11-28 07:39:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 07:39:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:24,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:39:24,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:24,280 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 07:39:24,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:24,310 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 07:39:24,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255187592] [2020-11-28 07:39:24,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:24,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-28 07:39:24,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007429950] [2020-11-28 07:39:24,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:39:24,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:24,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:39:24,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:39:24,313 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-11-28 07:39:24,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:24,469 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-11-28 07:39:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 07:39:24,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 07:39:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:24,473 INFO L225 Difference]: With dead ends: 207 [2020-11-28 07:39:24,473 INFO L226 Difference]: Without dead ends: 169 [2020-11-28 07:39:24,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 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 07:39:24,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-11-28 07:39:24,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-11-28 07:39:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-28 07:39:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2020-11-28 07:39:24,490 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2020-11-28 07:39:24,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:24,490 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2020-11-28 07:39:24,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:39:24,491 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-11-28 07:39:24,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 07:39:24,492 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:24,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:24,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:39:24,706 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:24,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:24,707 INFO L82 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2020-11-28 07:39:24,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:24,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818490787] [2020-11-28 07:39:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/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 07:39:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:24,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:39:24,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:24,940 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 07:39:24,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:24,947 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 07:39:24,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818490787] [2020-11-28 07:39:24,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:24,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:39:24,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650215626] [2020-11-28 07:39:24,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:39:24,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:24,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:39:24,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:39:24,949 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2020-11-28 07:39:25,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:25,079 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2020-11-28 07:39:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:39:25,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 07:39:25,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:25,080 INFO L225 Difference]: With dead ends: 176 [2020-11-28 07:39:25,081 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:39:25,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 07:39:25,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:39:25,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:39:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:39:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:39:25,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-28 07:39:25,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:25,090 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:39:25,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:39:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:39:25,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:39:25,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:39:25,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:39:26,049 INFO L274 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-11-28 07:39:26,049 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:26,049 INFO L270 CegarLoopResult]: At program point L729-1(lines 729 735) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,050 INFO L270 CegarLoopResult]: At program point L696(lines 681 699) the Hoare annotation is: false [2020-11-28 07:39:26,050 INFO L270 CegarLoopResult]: At program point L696-1(lines 681 699) the Hoare annotation is: false [2020-11-28 07:39:26,050 INFO L270 CegarLoopResult]: At program point L696-2(lines 681 699) the Hoare annotation is: false [2020-11-28 07:39:26,050 INFO L270 CegarLoopResult]: At program point L696-3(lines 681 699) the Hoare annotation is: false [2020-11-28 07:39:26,050 INFO L270 CegarLoopResult]: At program point L696-4(lines 681 699) the Hoare annotation is: false [2020-11-28 07:39:26,050 INFO L270 CegarLoopResult]: At program point L696-5(lines 681 699) the Hoare annotation is: false [2020-11-28 07:39:26,050 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:39:26,050 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:39:26,051 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:39:26,051 INFO L270 CegarLoopResult]: At program point L632(lines 625 635) the Hoare annotation is: false [2020-11-28 07:39:26,051 INFO L270 CegarLoopResult]: At program point L632-1(lines 625 635) the Hoare annotation is: false [2020-11-28 07:39:26,051 INFO L274 CegarLoopResult]: For program point L566(lines 566 574) no Hoare annotation was computed. [2020-11-28 07:39:26,051 INFO L270 CegarLoopResult]: At program point L632-2(lines 625 635) the Hoare annotation is: false [2020-11-28 07:39:26,051 INFO L274 CegarLoopResult]: For program point L566-1(lines 566 574) no Hoare annotation was computed. [2020-11-28 07:39:26,051 INFO L274 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-11-28 07:39:26,051 INFO L274 CegarLoopResult]: For program point L566-2(lines 566 574) no Hoare annotation was computed. [2020-11-28 07:39:26,051 INFO L274 CegarLoopResult]: For program point L566-3(lines 566 574) no Hoare annotation was computed. [2020-11-28 07:39:26,052 INFO L277 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-11-28 07:39:26,052 INFO L274 CegarLoopResult]: For program point L566-4(lines 566 574) no Hoare annotation was computed. [2020-11-28 07:39:26,052 INFO L274 CegarLoopResult]: For program point L566-5(lines 566 574) no Hoare annotation was computed. [2020-11-28 07:39:26,052 INFO L274 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-11-28 07:39:26,052 INFO L274 CegarLoopResult]: For program point L831-3(lines 831 835) no Hoare annotation was computed. [2020-11-28 07:39:26,052 INFO L274 CegarLoopResult]: For program point L831-6(lines 831 835) no Hoare annotation was computed. [2020-11-28 07:39:26,052 INFO L270 CegarLoopResult]: At program point L767(lines 718 768) the Hoare annotation is: false [2020-11-28 07:39:26,052 INFO L270 CegarLoopResult]: At program point L537(lines 537 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,052 INFO L270 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: false [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L537-2(lines 537 543) the Hoare annotation is: false [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L868(lines 863 871) the Hoare annotation is: false [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L868-1(lines 863 871) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,053 INFO L274 CegarLoopResult]: For program point L802(lines 802 819) no Hoare annotation was computed. [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L802-1(lines 1 947) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,053 INFO L270 CegarLoopResult]: At program point L868-3(lines 863 871) the Hoare annotation is: false [2020-11-28 07:39:26,054 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 819) no Hoare annotation was computed. [2020-11-28 07:39:26,054 INFO L270 CegarLoopResult]: At program point L868-4(lines 863 871) the Hoare annotation is: false [2020-11-28 07:39:26,054 INFO L270 CegarLoopResult]: At program point L802-3(lines 1 947) the Hoare annotation is: false [2020-11-28 07:39:26,054 INFO L270 CegarLoopResult]: At program point L868-5(lines 863 871) the Hoare annotation is: false [2020-11-28 07:39:26,054 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 819) no Hoare annotation was computed. [2020-11-28 07:39:26,054 INFO L270 CegarLoopResult]: At program point L802-5(lines 1 947) the Hoare annotation is: false [2020-11-28 07:39:26,054 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:26,054 INFO L270 CegarLoopResult]: At program point L936(lines 1 947) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,054 INFO L274 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-11-28 07:39:26,055 INFO L270 CegarLoopResult]: At program point L739-1(lines 739 745) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,055 INFO L274 CegarLoopResult]: For program point L806(lines 806 816) no Hoare annotation was computed. [2020-11-28 07:39:26,055 INFO L274 CegarLoopResult]: For program point L806-2(lines 806 816) no Hoare annotation was computed. [2020-11-28 07:39:26,055 INFO L274 CegarLoopResult]: For program point L806-4(lines 806 816) no Hoare annotation was computed. [2020-11-28 07:39:26,055 INFO L270 CegarLoopResult]: At program point L641(lines 636 644) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,055 INFO L270 CegarLoopResult]: At program point L641-1(lines 636 644) the Hoare annotation is: false [2020-11-28 07:39:26,055 INFO L270 CegarLoopResult]: At program point L641-2(lines 636 644) the Hoare annotation is: false [2020-11-28 07:39:26,055 INFO L277 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-11-28 07:39:26,055 INFO L274 CegarLoopResult]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-11-28 07:39:26,056 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 813) no Hoare annotation was computed. [2020-11-28 07:39:26,056 INFO L274 CegarLoopResult]: For program point L807-4(lines 807 813) no Hoare annotation was computed. [2020-11-28 07:39:26,056 INFO L270 CegarLoopResult]: At program point L909(lines 904 912) the Hoare annotation is: false [2020-11-28 07:39:26,056 INFO L270 CegarLoopResult]: At program point L909-1(lines 904 912) the Hoare annotation is: false [2020-11-28 07:39:26,056 INFO L274 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-11-28 07:39:26,056 INFO L270 CegarLoopResult]: At program point L909-2(lines 904 912) the Hoare annotation is: false [2020-11-28 07:39:26,056 INFO L270 CegarLoopResult]: At program point L909-3(lines 904 912) the Hoare annotation is: false [2020-11-28 07:39:26,056 INFO L270 CegarLoopResult]: At program point L909-4(lines 904 912) the Hoare annotation is: false [2020-11-28 07:39:26,056 INFO L270 CegarLoopResult]: At program point L909-5(lines 904 912) the Hoare annotation is: false [2020-11-28 07:39:26,057 INFO L270 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point L780-2(line 780) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point L749(lines 749 762) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L270 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:39:26,057 INFO L274 CegarLoopResult]: For program point L720(lines 719 766) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L588-1(lines 588 605) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L588-2(lines 588 605) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L424-1(lines 530 536) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L690-2(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,058 INFO L274 CegarLoopResult]: For program point L690-3(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-5(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-6(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-8(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-9(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-11(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-12(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-14(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-15(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L690-17(lines 690 694) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L274 CegarLoopResult]: For program point L757(lines 757 761) no Hoare annotation was computed. [2020-11-28 07:39:26,059 INFO L270 CegarLoopResult]: At program point L757-2(lines 530 536) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,060 INFO L274 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-11-28 07:39:26,060 INFO L274 CegarLoopResult]: For program point L592-1(lines 592 600) no Hoare annotation was computed. [2020-11-28 07:39:26,060 INFO L274 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-11-28 07:39:26,062 INFO L270 CegarLoopResult]: At program point L791(lines 786 793) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,062 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:39:26,062 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:26,062 INFO L274 CegarLoopResult]: For program point L562(lines 562 579) no Hoare annotation was computed. [2020-11-28 07:39:26,062 INFO L274 CegarLoopResult]: For program point L562-1(lines 562 579) no Hoare annotation was computed. [2020-11-28 07:39:26,063 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 579) no Hoare annotation was computed. [2020-11-28 07:39:26,063 INFO L274 CegarLoopResult]: For program point L562-3(lines 562 579) no Hoare annotation was computed. [2020-11-28 07:39:26,063 INFO L274 CegarLoopResult]: For program point L562-4(lines 562 579) no Hoare annotation was computed. [2020-11-28 07:39:26,063 INFO L274 CegarLoopResult]: For program point L562-5(lines 562 579) no Hoare annotation was computed. [2020-11-28 07:39:26,063 INFO L270 CegarLoopResult]: At program point L530(lines 529 548) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:39:26,063 INFO L274 CegarLoopResult]: For program point L530-1(lines 530 536) no Hoare annotation was computed. [2020-11-28 07:39:26,063 INFO L270 CegarLoopResult]: At program point L530-2(lines 529 548) the Hoare annotation is: false [2020-11-28 07:39:26,064 INFO L270 CegarLoopResult]: At program point L530-3(lines 529 548) the Hoare annotation is: false [2020-11-28 07:39:26,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:39:26 BoogieIcfgContainer [2020-11-28 07:39:26,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:39:26,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:39:26,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:39:26,082 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:39:26,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:21" (3/4) ... [2020-11-28 07:39:26,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:39:26,103 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:39:26,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:39:26,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:39:26,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:39:26,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:39:26,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:39:26,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:39:26,141 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-28 07:39:26,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0f40ff30-5945-4afd-966d-03d14ddd7200/bin/utaipan/witness.graphml [2020-11-28 07:39:26,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:39:26,235 INFO L168 Benchmark]: Toolchain (without parser) took 7856.26 ms. Allocated memory was 50.3 MB in the beginning and 88.1 MB in the end (delta: 37.7 MB). Free memory was 27.1 MB in the beginning and 44.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,235 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:26,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.94 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 26.9 MB in the beginning and 45.0 MB in the end (delta: -18.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.10 ms. Allocated memory is still 73.4 MB. Free memory was 45.0 MB in the beginning and 41.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,237 INFO L168 Benchmark]: Boogie Preprocessor took 49.61 ms. Allocated memory is still 73.4 MB. Free memory was 41.5 MB in the beginning and 38.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,237 INFO L168 Benchmark]: RCFGBuilder took 2762.65 ms. Allocated memory is still 73.4 MB. Free memory was 38.7 MB in the beginning and 37.9 MB in the end (delta: 826.6 kB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,238 INFO L168 Benchmark]: TraceAbstraction took 4132.24 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 53.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,238 INFO L168 Benchmark]: Witness Printer took 150.97 ms. Allocated memory is still 88.1 MB. Free memory was 53.2 MB in the beginning and 44.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:26,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 33.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.94 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 26.9 MB in the beginning and 45.0 MB in the end (delta: -18.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.10 ms. Allocated memory is still 73.4 MB. Free memory was 45.0 MB in the beginning and 41.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.61 ms. Allocated memory is still 73.4 MB. Free memory was 41.5 MB in the beginning and 38.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2762.65 ms. Allocated memory is still 73.4 MB. Free memory was 38.7 MB in the beginning and 37.9 MB in the end (delta: 826.6 kB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4132.24 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 53.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Witness Printer took 150.97 ms. Allocated memory is still 88.1 MB. Free memory was 53.2 MB in the beginning and 44.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 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: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 459 SDslu, 363 SDs, 0 SdLazy, 62 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 179 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1285 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 233 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 8284 SizeOfPredicates, 8 NumberOfNonLiveVariables, 993 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...