./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.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_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ...................................................................................................................................... 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_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:37:06,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:37:06,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:37:06,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:37:06,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:37:06,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:37:06,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:37:06,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:37:06,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:37:06,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:37:06,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:37:06,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:37:06,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:37:06,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:37:06,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:37:06,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:37:06,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:37:07,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:37:07,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:37:07,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:37:07,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:37:07,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:37:07,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:37:07,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:37:07,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:37:07,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:37:07,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:37:07,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:37:07,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:37:07,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:37:07,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:37:07,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:37:07,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:37:07,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:37:07,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:37:07,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:37:07,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:37:07,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:37:07,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:37:07,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:37:07,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:37:07,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:37:07,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:37:07,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:37:07,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:37:07,024 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:37:07,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:37:07,024 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:37:07,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:37:07,024 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:37:07,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:37:07,024 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:37:07,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:37:07,025 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:37:07,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:37:07,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:37:07,025 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:37:07,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:37:07,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:37:07,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:37:07,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:37:07,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:37:07,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:37:07,029 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_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2019-12-07 11:37:07,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:37:07,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:37:07,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:37:07,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:37:07,138 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:37:07,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2019-12-07 11:37:07,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/f89d82e79/bd65221bcaef4a3c95542491e3ec4a0c/FLAG03a66dd57 [2019-12-07 11:37:07,661 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:37:07,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2019-12-07 11:37:07,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/f89d82e79/bd65221bcaef4a3c95542491e3ec4a0c/FLAG03a66dd57 [2019-12-07 11:37:07,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/f89d82e79/bd65221bcaef4a3c95542491e3ec4a0c [2019-12-07 11:37:07,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:37:07,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:37:07,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:37:07,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:37:07,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:37:07,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:37:07" (1/1) ... [2019-12-07 11:37:07,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:07, skipping insertion in model container [2019-12-07 11:37:07,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:37:07" (1/1) ... [2019-12-07 11:37:07,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:37:07,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:37:07,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:37:07,929 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 11:37:07,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f8353db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:07, skipping insertion in model container [2019-12-07 11:37:07,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:37:07,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:37:07,931 INFO L168 Benchmark]: Toolchain (without parser) took 248.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:07,931 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:37:07,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:07,933 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 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 543]: 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 11:37:09,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:37:09,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:37:09,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:37:09,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:37:09,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:37:09,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:37:09,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:37:09,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:37:09,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:37:09,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:37:09,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:37:09,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:37:09,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:37:09,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:37:09,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:37:09,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:37:09,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:37:09,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:37:09,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:37:09,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:37:09,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:37:09,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:37:09,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:37:09,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:37:09,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:37:09,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:37:09,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:37:09,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:37:09,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:37:09,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:37:09,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:37:09,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:37:09,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:37:09,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:37:09,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:37:09,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:37:09,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:37:09,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:37:09,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:37:09,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:37:09,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:37:09,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:37:09,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:37:09,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:37:09,132 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:37:09,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:37:09,132 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:37:09,132 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:37:09,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:37:09,132 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:37:09,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:37:09,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:37:09,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:37:09,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:37:09,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:37:09,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:37:09,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:37:09,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:37:09,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:37:09,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:37:09,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:37:09,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:37:09,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:37:09,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:37:09,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:37:09,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:37:09,136 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:37:09,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:37:09,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:37:09,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:37:09,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:37:09,137 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_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2019-12-07 11:37:09,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:37:09,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:37:09,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:37:09,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:37:09,310 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:37:09,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2019-12-07 11:37:09,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/b550baa0e/d2b15cdfb3d34cdfbe15ca533771dc8a/FLAG0bfbabb10 [2019-12-07 11:37:09,706 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:37:09,706 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2019-12-07 11:37:09,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/b550baa0e/d2b15cdfb3d34cdfbe15ca533771dc8a/FLAG0bfbabb10 [2019-12-07 11:37:09,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/data/b550baa0e/d2b15cdfb3d34cdfbe15ca533771dc8a [2019-12-07 11:37:09,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:37:09,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:37:09,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:37:09,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:37:09,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:37:09,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:37:09" (1/1) ... [2019-12-07 11:37:09,730 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 11:37:09, skipping insertion in model container [2019-12-07 11:37:09,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:37:09" (1/1) ... [2019-12-07 11:37:09,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:37:09,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:37:09,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:37:09,981 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:37:09,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:37:10,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:37:10,029 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:37:10,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:37:10,090 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:37:10,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10 WrapperNode [2019-12-07 11:37:10,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:37:10,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:37:10,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:37:10,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:37:10,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:37:10,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:37:10,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:37:10,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:37:10,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... [2019-12-07 11:37:10,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:37:10,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:37:10,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:37:10,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:37:10,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 11:37:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:37:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 11:37:10,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:37:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:37:10,617 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:37:10,617 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 11:37:10,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:37:10 BoogieIcfgContainer [2019-12-07 11:37:10,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:37:10,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:37:10,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:37:10,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:37:10,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:37:09" (1/3) ... [2019-12-07 11:37:10,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a176e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:37:10, skipping insertion in model container [2019-12-07 11:37:10,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:37:10" (2/3) ... [2019-12-07 11:37:10,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a176e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:37:10, skipping insertion in model container [2019-12-07 11:37:10,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:37:10" (3/3) ... [2019-12-07 11:37:10,623 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2019-12-07 11:37:10,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:37:10,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:37:10,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:37:10,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:37:10,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:37:10,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:37:10,659 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:37:10,659 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:37:10,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:37:10,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:37:10,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:37:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2019-12-07 11:37:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:37:10,675 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:37:10,676 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 11:37:10,676 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:37:10,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:37:10,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1951915580, now seen corresponding path program 1 times [2019-12-07 11:37:10,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:37:10,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123969928] [2019-12-07 11:37:10,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 11:37:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:37:10,817 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:37:10,821 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:37:10,833 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 11:37:10,833 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:37:10,837 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 11:37:10,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123969928] [2019-12-07 11:37:10,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:37:10,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:37:10,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791918658] [2019-12-07 11:37:10,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:37:10,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:37:10,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:37:10,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:37:10,853 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2019-12-07 11:37:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:37:10,871 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2019-12-07 11:37:10,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:37:10,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 11:37:10,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:37:10,880 INFO L225 Difference]: With dead ends: 139 [2019-12-07 11:37:10,880 INFO L226 Difference]: Without dead ends: 69 [2019-12-07 11:37:10,882 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 11:37:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-12-07 11:37:10,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-12-07 11:37:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-12-07 11:37:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2019-12-07 11:37:10,910 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2019-12-07 11:37:10,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:37:10,910 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-12-07 11:37:10,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:37:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2019-12-07 11:37:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:37:10,911 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:37:10,911 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 11:37:11,112 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:37:11,113 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:37:11,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:37:11,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2124215747, now seen corresponding path program 1 times [2019-12-07 11:37:11,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:37:11,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087558289] [2019-12-07 11:37:11,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 11:37:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:37:11,339 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:37:11,340 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:37:11,353 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 11:37:11,354 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:37:11,362 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 11:37:11,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087558289] [2019-12-07 11:37:11,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:37:11,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:37:11,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840468033] [2019-12-07 11:37:11,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:37:11,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:37:11,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:37:11,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:37:11,365 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 4 states. [2019-12-07 11:37:11,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:37:11,375 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2019-12-07 11:37:11,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:37:11,376 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 11:37:11,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:37:11,376 INFO L225 Difference]: With dead ends: 69 [2019-12-07 11:37:11,377 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 11:37:11,377 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 11:37:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 11:37:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 11:37:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 11:37:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 11:37:11,381 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-12-07 11:37:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:37:11,382 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 11:37:11,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:37:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 11:37:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 11:37:11,382 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:37:11,383 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 11:37:11,583 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:37:11,584 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:37:11,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:37:11,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2019-12-07 11:37:11,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:37:11,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884782679] [2019-12-07 11:37:11,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 11:37:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:37:11,840 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:37:11,841 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:37:11,849 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 11:37:11,850 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:37:11,856 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 11:37:11,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884782679] [2019-12-07 11:37:11,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:37:11,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 11:37:11,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115572483] [2019-12-07 11:37:11,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:37:11,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:37:11,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:37:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:37:11,858 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 11:37:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:37:11,863 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2019-12-07 11:37:11,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:37:11,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 11:37:11,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:37:11,865 INFO L225 Difference]: With dead ends: 59 [2019-12-07 11:37:11,865 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 11:37:11,865 INFO L630 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 [2019-12-07 11:37:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 11:37:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 11:37:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 11:37:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 11:37:11,869 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-12-07 11:37:11,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:37:11,869 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 11:37:11,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:37:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 11:37:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 11:37:11,870 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:37:11,870 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 11:37:12,071 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:37:12,071 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:37:12,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:37:12,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2019-12-07 11:37:12,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:37:12,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328762725] [2019-12-07 11:37:12,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 11:37:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:37:12,207 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:37:12,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:37:12,224 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 11:37:12,224 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:37:12,231 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 11:37:12,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328762725] [2019-12-07 11:37:12,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:37:12,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 11:37:12,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019632897] [2019-12-07 11:37:12,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:37:12,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:37:12,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:37:12,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:37:12,232 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-12-07 11:37:12,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:37:12,322 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2019-12-07 11:37:12,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:37:12,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 11:37:12,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:37:12,324 INFO L225 Difference]: With dead ends: 135 [2019-12-07 11:37:12,324 INFO L226 Difference]: Without dead ends: 109 [2019-12-07 11:37:12,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:37:12,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-12-07 11:37:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2019-12-07 11:37:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 11:37:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2019-12-07 11:37:12,333 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2019-12-07 11:37:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:37:12,333 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2019-12-07 11:37:12,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:37:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2019-12-07 11:37:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:37:12,334 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:37:12,334 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, 1] [2019-12-07 11:37:12,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:37:12,535 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:37:12,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:37:12,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2019-12-07 11:37:12,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:37:12,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787768106] [2019-12-07 11:37:12,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/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 [2019-12-07 11:37:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:37:12,817 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:37:12,818 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:37:12,830 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 11:37:12,830 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:37:12,833 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 11:37:12,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787768106] [2019-12-07 11:37:12,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:37:12,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 11:37:12,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776587699] [2019-12-07 11:37:12,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:37:12,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:37:12,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:37:12,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:37:12,835 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2019-12-07 11:37:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:37:12,900 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2019-12-07 11:37:12,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:37:12,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 11:37:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:37:12,901 INFO L225 Difference]: With dead ends: 146 [2019-12-07 11:37:12,901 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:37:12,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:37:12,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:37:12,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:37:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:37:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:37:12,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 11:37:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:37:12,903 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:37:12,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:37:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:37:12,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:37:13,104 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 11:37:13,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:37:13,414 INFO L242 CegarLoopResult]: At program point L349(lines 344 352) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,415 INFO L242 CegarLoopResult]: At program point L349-1(lines 344 352) the Hoare annotation is: false [2019-12-07 11:37:13,415 INFO L242 CegarLoopResult]: At program point L349-2(lines 344 352) the Hoare annotation is: false [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2019-12-07 11:37:13,415 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point L432-3(lines 432 436) no Hoare annotation was computed. [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-12-07 11:37:13,415 INFO L246 CegarLoopResult]: For program point L432-6(lines 432 436) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L234-2(lines 264 270) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L242 CegarLoopResult]: At program point L218-1(lines 218 224) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L170-2(lines 170 180) no Hoare annotation was computed. [2019-12-07 11:37:13,416 INFO L246 CegarLoopResult]: For program point L170-4(lines 170 180) no Hoare annotation was computed. [2019-12-07 11:37:13,417 INFO L246 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-12-07 11:37:13,417 INFO L246 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2019-12-07 11:37:13,417 INFO L246 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2019-12-07 11:37:13,417 INFO L242 CegarLoopResult]: At program point L155(lines 150 157) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:37:13,417 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 11:37:13,417 INFO L246 CegarLoopResult]: For program point L56-1(lines 264 270) no Hoare annotation was computed. [2019-12-07 11:37:13,417 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: false [2019-12-07 11:37:13,417 INFO L242 CegarLoopResult]: At program point L469-1(lines 464 472) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,417 INFO L242 CegarLoopResult]: At program point L469-2(lines 464 472) the Hoare annotation is: false [2019-12-07 11:37:13,417 INFO L242 CegarLoopResult]: At program point L469-3(lines 464 472) the Hoare annotation is: false [2019-12-07 11:37:13,417 INFO L242 CegarLoopResult]: At program point L469-4(lines 464 472) the Hoare annotation is: false [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L469-5(lines 464 472) the Hoare annotation is: false [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: false [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L271-2(lines 271 277) the Hoare annotation is: false [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L420(lines 415 423) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:37:13,418 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:37:13,418 INFO L249 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-12-07 11:37:13,418 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L340(lines 333 343) the Hoare annotation is: false [2019-12-07 11:37:13,418 INFO L242 CegarLoopResult]: At program point L340-1(lines 333 343) the Hoare annotation is: false [2019-12-07 11:37:13,419 INFO L242 CegarLoopResult]: At program point L340-2(lines 333 343) the Hoare annotation is: false [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L242 CegarLoopResult]: At program point L208-1(lines 208 214) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L242 CegarLoopResult]: At program point L244(lines 197 245) the Hoare annotation is: false [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L228(lines 228 239) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2019-12-07 11:37:13,419 INFO L246 CegarLoopResult]: For program point L510-2(line 510) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L246 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L246 CegarLoopResult]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L242 CegarLoopResult]: At program point L412(lines 1 879) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:37:13,420 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L242 CegarLoopResult]: At program point L264(lines 263 282) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,420 INFO L246 CegarLoopResult]: For program point L264-1(lines 264 270) no Hoare annotation was computed. [2019-12-07 11:37:13,420 INFO L242 CegarLoopResult]: At program point L264-2(lines 263 282) the Hoare annotation is: false [2019-12-07 11:37:13,420 INFO L242 CegarLoopResult]: At program point L264-3(lines 263 282) the Hoare annotation is: false [2019-12-07 11:37:13,421 INFO L246 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-12-07 11:37:13,421 INFO L249 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-12-07 11:37:13,421 INFO L246 CegarLoopResult]: For program point L199(lines 198 243) no Hoare annotation was computed. [2019-12-07 11:37:13,421 INFO L246 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-12-07 11:37:13,421 INFO L242 CegarLoopResult]: At program point L166-1(lines 1 879) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:37:13,421 INFO L246 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2019-12-07 11:37:13,421 INFO L242 CegarLoopResult]: At program point L166-3(lines 1 879) the Hoare annotation is: false [2019-12-07 11:37:13,421 INFO L246 CegarLoopResult]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2019-12-07 11:37:13,421 INFO L242 CegarLoopResult]: At program point L166-5(lines 1 879) the Hoare annotation is: false [2019-12-07 11:37:13,421 INFO L246 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2019-12-07 11:37:13,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:37:13 BoogieIcfgContainer [2019-12-07 11:37:13,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:37:13,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:37:13,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:37:13,436 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:37:13,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:37:10" (3/4) ... [2019-12-07 11:37:13,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:37:13,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:37:13,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:37:13,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:37:13,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:37:13,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:37:13,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:37:13,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:37:13,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 11:37:13,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c1fbb1a-3c76-4641-b9dd-e924413e1b5c/bin/utaipan/witness.graphml [2019-12-07 11:37:13,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:37:13,515 INFO L168 Benchmark]: Toolchain (without parser) took 3790.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 953.7 MB in the beginning and 810.4 MB in the end (delta: 143.3 MB). Peak memory consumption was 281.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:13,515 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 11:37:13,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:13,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.82 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:13,516 INFO L168 Benchmark]: Boogie Preprocessor took 28.05 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 11:37:13,516 INFO L168 Benchmark]: RCFGBuilder took 455.67 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: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:13,516 INFO L168 Benchmark]: TraceAbstraction took 2817.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 817.4 MB in the end (delta: 226.5 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:13,517 INFO L168 Benchmark]: Witness Printer took 77.79 ms. Allocated memory is still 1.2 GB. Free memory was 817.4 MB in the beginning and 810.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:37:13,518 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 365.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.82 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.05 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. * RCFGBuilder took 455.67 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: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2817.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 817.4 MB in the end (delta: 226.5 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. * Witness Printer took 77.79 ms. Allocated memory is still 1.2 GB. Free memory was 817.4 MB in the beginning and 810.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 510]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 510]: 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: 415]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 3 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 303 SDtfs, 271 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1005 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 233 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 8 NumberOfNonLiveVariables, 918 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...