./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccadd62ee8105295b69b007526cf1ebacb802621 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccadd62ee8105295b69b007526cf1ebacb802621 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:52:16,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:52:16,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:52:16,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:52:16,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:52:16,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:52:16,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:52:16,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:52:16,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:52:16,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:52:16,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:52:16,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:52:16,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:52:16,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:52:16,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:52:16,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:52:16,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:52:16,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:52:16,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:52:16,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:52:16,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:52:16,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:52:16,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:52:16,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:52:16,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:52:16,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:52:16,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:52:16,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:52:16,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:52:16,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:52:16,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:52:16,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:52:16,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:52:16,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:52:16,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:52:16,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:52:16,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:52:16,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:52:16,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:52:16,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:52:16,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:52:16,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:52:16,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:52:16,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:52:16,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:52:16,809 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:52:16,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:52:16,810 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:52:16,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:52:16,810 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:52:16,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:52:16,810 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:52:16,811 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:52:16,811 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:52:16,811 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:52:16,811 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:52:16,811 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:52:16,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:52:16,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:52:16,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:52:16,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:52:16,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:52:16,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:52:16,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:52:16,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:52:16,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:52:16,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:52:16,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:52:16,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:52:16,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:52:16,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:52:16,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:52:16,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:52:16,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:52:16,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:52:16,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:52:16,816 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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(__VERIFIER_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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-12-07 11:52:16,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:52:16,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:52:16,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:52:16,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:52:16,946 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:52:16,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-12-07 11:52:16,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/a0c6b2fdf/41879f1c39b743ab8bbdbea323e183e9/FLAGdee201671 [2019-12-07 11:52:17,362 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:52:17,362 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-12-07 11:52:17,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/a0c6b2fdf/41879f1c39b743ab8bbdbea323e183e9/FLAGdee201671 [2019-12-07 11:52:17,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/a0c6b2fdf/41879f1c39b743ab8bbdbea323e183e9 [2019-12-07 11:52:17,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:52:17,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:52:17,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:52:17,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:52:17,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:52:17,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:52:17" (1/1) ... [2019-12-07 11:52:17,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:17, skipping insertion in model container [2019-12-07 11:52:17,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:52:17" (1/1) ... [2019-12-07 11:52:17,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:52:17,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:52:17,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:52:17,639 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) [2019-12-07 11:52:17,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29b50db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:17, skipping insertion in model container [2019-12-07 11:52:17,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:52:17,640 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:52:17,642 INFO L168 Benchmark]: Toolchain (without parser) took 258.05 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -62.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:17,642 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:52:17,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.22 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -62.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:17,644 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.22 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -62.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 511]: 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 0.1.25-f470102 [2019-12-07 11:52:18,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:52:18,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:52:18,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:52:18,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:52:18,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:52:18,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:52:18,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:52:18,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:52:18,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:52:18,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:52:18,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:52:18,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:52:18,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:52:18,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:52:18,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:52:18,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:52:18,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:52:18,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:52:18,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:52:18,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:52:18,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:52:18,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:52:18,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:52:18,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:52:18,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:52:18,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:52:18,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:52:18,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:52:18,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:52:18,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:52:18,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:52:18,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:52:18,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:52:18,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:52:18,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:52:18,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:52:18,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:52:18,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:52:18,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:52:18,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:52:18,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:52:18,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:52:18,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:52:18,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:52:18,824 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:52:18,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:52:18,824 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:52:18,824 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:52:18,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:52:18,825 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:52:18,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:52:18,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:52:18,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:52:18,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:52:18,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:52:18,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:52:18,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:52:18,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:52:18,829 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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(__VERIFIER_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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-12-07 11:52:19,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:52:19,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:52:19,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:52:19,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:52:19,011 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:52:19,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-12-07 11:52:19,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/0c6c30911/d31a0ff585604b69acb7008b8df62d55/FLAG655780334 [2019-12-07 11:52:19,526 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:52:19,527 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-12-07 11:52:19,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/0c6c30911/d31a0ff585604b69acb7008b8df62d55/FLAG655780334 [2019-12-07 11:52:19,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/data/0c6c30911/d31a0ff585604b69acb7008b8df62d55 [2019-12-07 11:52:19,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:52:19,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:52:19,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:52:19,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:52:19,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:52:19,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19, skipping insertion in model container [2019-12-07 11:52:19,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:52:19,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:52:19,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:52:19,820 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:52:19,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:52:19,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:52:19,867 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:52:19,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:52:19,923 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:52:19,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19 WrapperNode [2019-12-07 11:52:19,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:52:19,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:52:19,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:52:19,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:52:19,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:52:19,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:52:19,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:52:19,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:52:19,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... [2019-12-07 11:52:19,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:52:19,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:52:19,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:52:19,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:52:19,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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 [2019-12-07 11:52:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:52:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 11:52:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:52:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:52:20,464 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:52:20,464 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-12-07 11:52:20,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:52:20 BoogieIcfgContainer [2019-12-07 11:52:20,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:52:20,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:52:20,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:52:20,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:52:20,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:52:19" (1/3) ... [2019-12-07 11:52:20,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2772b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:52:20, skipping insertion in model container [2019-12-07 11:52:20,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:52:19" (2/3) ... [2019-12-07 11:52:20,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2772b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:52:20, skipping insertion in model container [2019-12-07 11:52:20,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:52:20" (3/3) ... [2019-12-07 11:52:20,472 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2019-12-07 11:52:20,479 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:52:20,485 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:52:20,495 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:52:20,514 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:52:20,514 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:52:20,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:52:20,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:52:20,515 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:52:20,515 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:52:20,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:52:20,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:52:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-12-07 11:52:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:52:20,532 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:52:20,532 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:52:20,533 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:52:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:52:20,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2019-12-07 11:52:20,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:52:20,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802133859] [2019-12-07 11:52:20,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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 [2019-12-07 11:52:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:52:20,687 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:52:20,691 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:52:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:52:20,702 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:52:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:52:20,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802133859] [2019-12-07 11:52:20,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:52:20,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:52:20,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549633493] [2019-12-07 11:52:20,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:52:20,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:52:20,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:52:20,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:52:20,723 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-12-07 11:52:20,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:52:20,743 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2019-12-07 11:52:20,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:52:20,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 11:52:20,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:52:20,753 INFO L225 Difference]: With dead ends: 120 [2019-12-07 11:52:20,753 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 11:52:20,756 INFO L630 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 [2019-12-07 11:52:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 11:52:20,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 11:52:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 11:52:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-12-07 11:52:20,783 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2019-12-07 11:52:20,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:52:20,783 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-12-07 11:52:20,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:52:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-12-07 11:52:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:52:20,784 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:52:20,785 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:52:20,985 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:52:20,986 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:52:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:52:20,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2019-12-07 11:52:20,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:52:20,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504634446] [2019-12-07 11:52:20,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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 [2019-12-07 11:52:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:52:21,188 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:52:21,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:52:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:52:21,203 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:52:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:52:21,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504634446] [2019-12-07 11:52:21,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:52:21,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:52:21,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992816117] [2019-12-07 11:52:21,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:52:21,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:52:21,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:52:21,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:52:21,214 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 4 states. [2019-12-07 11:52:21,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:52:21,223 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-12-07 11:52:21,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:52:21,224 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 11:52:21,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:52:21,225 INFO L225 Difference]: With dead ends: 59 [2019-12-07 11:52:21,225 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 11:52:21,226 INFO L630 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 [2019-12-07 11:52:21,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 11:52:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 11:52:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 11:52:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 11:52:21,229 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-12-07 11:52:21,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:52:21,229 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 11:52:21,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:52:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 11:52:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 11:52:21,230 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:52:21,230 INFO L410 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] [2019-12-07 11:52:21,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:52:21,431 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:52:21,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:52:21,432 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2019-12-07 11:52:21,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:52:21,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979536678] [2019-12-07 11:52:21,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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 [2019-12-07 11:52:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:52:21,587 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:52:21,588 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:52:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:52:21,604 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:52:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:52:21,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979536678] [2019-12-07 11:52:21,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:52:21,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 11:52:21,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386029946] [2019-12-07 11:52:21,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:52:21,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:52:21,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:52:21,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:52:21,633 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 8 states. [2019-12-07 11:52:21,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:52:21,847 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2019-12-07 11:52:21,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 11:52:21,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-12-07 11:52:21,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:52:21,850 INFO L225 Difference]: With dead ends: 244 [2019-12-07 11:52:21,850 INFO L226 Difference]: Without dead ends: 221 [2019-12-07 11:52:21,851 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 11:52:21,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-12-07 11:52:21,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2019-12-07 11:52:21,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-07 11:52:21,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2019-12-07 11:52:21,863 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2019-12-07 11:52:21,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:52:21,863 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2019-12-07 11:52:21,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:52:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2019-12-07 11:52:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 11:52:21,864 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:52:21,864 INFO L410 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] [2019-12-07 11:52:22,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:52:22,065 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:52:22,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:52:22,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2019-12-07 11:52:22,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:52:22,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926762172] [2019-12-07 11:52:22,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/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 [2019-12-07 11:52:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:52:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:52:23,336 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 11:52:23,336 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:52:23,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:52:23,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:52:23 BoogieIcfgContainer [2019-12-07 11:52:23,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:52:23,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:52:23,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:52:23,615 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:52:23,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:52:20" (3/4) ... [2019-12-07 11:52:23,617 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 11:52:23,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_659d3fff-fbe2-4f4c-9929-1606e82b00d5/bin/utaipan/witness.graphml [2019-12-07 11:52:23,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:52:23,674 INFO L168 Benchmark]: Toolchain (without parser) took 4126.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 844.0 MB in the end (delta: 108.4 MB). Peak memory consumption was 233.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:23,674 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:52:23,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:23,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:52:23,675 INFO L168 Benchmark]: Boogie Preprocessor took 25.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:23,676 INFO L168 Benchmark]: RCFGBuilder took 477.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:23,676 INFO L168 Benchmark]: TraceAbstraction took 3148.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 850.8 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:23,677 INFO L168 Benchmark]: Witness Printer took 57.96 ms. Allocated memory is still 1.2 GB. Free memory was 850.8 MB in the beginning and 844.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:52:23,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 477.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3148.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 850.8 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. * Witness Printer took 57.96 ms. Allocated memory is still 1.2 GB. Free memory was 850.8 MB in the beginning and 844.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L177] tmp = __VERIFIER_nondet_int() [L179] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 [L422] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L277] tmp___0 = getWaterLevel() [L279] COND TRUE tmp___0 == 2 [L111] int retValue_acc ; [L114] retValue_acc = pumpRunning [L115] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp___1 = isPumpRunning() [L283] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 343 SDslu, 436 SDs, 0 SdLazy, 100 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 6384 SizeOfPredicates, 5 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...