./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ...................................................................................................................................... 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_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:30:38,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:30:38,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:30:38,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:30:38,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:30:38,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:30:38,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:30:38,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:30:38,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:30:38,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:30:38,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:30:38,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:30:38,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:30:38,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:30:38,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:30:38,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:30:38,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:30:38,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:30:38,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:30:38,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:30:38,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:30:38,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:30:38,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:30:38,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:30:38,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:30:38,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:30:38,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:30:38,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:30:38,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:30:38,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:30:38,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:30:38,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:30:38,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:30:38,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:30:38,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:30:38,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:30:38,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:30:38,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:30:38,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:30:38,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:30:38,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:30:38,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:30:38,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:30:38,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:30:38,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:30:38,165 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:30:38,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:30:38,165 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:30:38,166 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:30:38,166 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:30:38,166 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:30:38,166 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:30:38,166 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:30:38,166 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:30:38,167 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:30:38,167 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:30:38,167 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:30:38,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:30:38,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:30:38,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:30:38,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:30:38,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:30:38,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:30:38,171 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_7ef692c1-607e-4215-85a3-94ca05e14b32/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-12-07 13:30:38,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:30:38,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:30:38,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:30:38,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:30:38,291 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:30:38,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-12-07 13:30:38,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/3e83571cf/c8e2e06f36564f0b829d6723986c4ad6/FLAG1be7bd886 [2019-12-07 13:30:38,766 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:30:38,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-12-07 13:30:38,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/3e83571cf/c8e2e06f36564f0b829d6723986c4ad6/FLAG1be7bd886 [2019-12-07 13:30:38,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/3e83571cf/c8e2e06f36564f0b829d6723986c4ad6 [2019-12-07 13:30:38,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:30:38,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:30:38,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:30:38,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:30:38,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:30:38,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:30:38" (1/1) ... [2019-12-07 13:30:38,793 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 01:30:38, skipping insertion in model container [2019-12-07 13:30:38,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:30:38" (1/1) ... [2019-12-07 13:30:38,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:30:38,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:30:39,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:30:39,045 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 13:30:39,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ff39112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:39, skipping insertion in model container [2019-12-07 13:30:39,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:30:39,046 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:30:39,047 INFO L168 Benchmark]: Toolchain (without parser) took 259.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:39,048 INFO L168 Benchmark]: CDTParser took 0.14 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 13:30:39,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:39,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 257.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 342]: 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 13:30:40,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:30:40,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:30:40,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:30:40,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:30:40,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:30:40,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:30:40,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:30:40,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:30:40,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:30:40,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:30:40,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:30:40,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:30:40,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:30:40,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:30:40,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:30:40,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:30:40,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:30:40,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:30:40,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:30:40,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:30:40,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:30:40,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:30:40,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:30:40,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:30:40,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:30:40,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:30:40,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:30:40,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:30:40,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:30:40,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:30:40,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:30:40,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:30:40,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:30:40,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:30:40,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:30:40,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:30:40,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:30:40,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:30:40,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:30:40,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:30:40,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:30:40,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:30:40,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:30:40,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:30:40,204 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:30:40,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:30:40,204 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:30:40,204 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:30:40,205 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:30:40,205 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:30:40,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:30:40,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:30:40,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:30:40,206 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:30:40,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:30:40,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:30:40,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:30:40,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:30:40,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:30:40,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:30:40,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:30:40,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:30:40,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:30:40,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:30:40,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:30:40,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:30:40,208 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:30:40,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:30:40,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:30:40,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:30:40,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:30:40,209 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_7ef692c1-607e-4215-85a3-94ca05e14b32/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-12-07 13:30:40,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:30:40,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:30:40,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:30:40,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:30:40,399 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:30:40,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-12-07 13:30:40,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/046d724fc/3b18a296297f416c8308eb4c32748cb2/FLAG11ea2010e [2019-12-07 13:30:40,899 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:30:40,899 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-12-07 13:30:40,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/046d724fc/3b18a296297f416c8308eb4c32748cb2/FLAG11ea2010e [2019-12-07 13:30:40,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/data/046d724fc/3b18a296297f416c8308eb4c32748cb2 [2019-12-07 13:30:40,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:30:40,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:30:40,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:30:40,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:30:40,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:30:40,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:30:40" (1/1) ... [2019-12-07 13:30:40,923 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 01:30:40, skipping insertion in model container [2019-12-07 13:30:40,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:30:40" (1/1) ... [2019-12-07 13:30:40,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:30:40,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:30:41,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:30:41,171 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:30:41,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:30:41,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:30:41,218 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:30:41,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:30:41,276 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:30:41,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41 WrapperNode [2019-12-07 13:30:41,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:30:41,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:30:41,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:30:41,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:30:41,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:30:41,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:30:41,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:30:41,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:30:41,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... [2019-12-07 13:30:41,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:30:41,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:30:41,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:30:41,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:30:41,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 13:30:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:30:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:30:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:30:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:30:41,829 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:30:41,829 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 13:30:41,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:30:41 BoogieIcfgContainer [2019-12-07 13:30:41,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:30:41,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:30:41,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:30:41,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:30:41,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:30:40" (1/3) ... [2019-12-07 13:30:41,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340803d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:30:41, skipping insertion in model container [2019-12-07 13:30:41,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:30:41" (2/3) ... [2019-12-07 13:30:41,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340803d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:30:41, skipping insertion in model container [2019-12-07 13:30:41,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:30:41" (3/3) ... [2019-12-07 13:30:41,837 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2019-12-07 13:30:41,847 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:30:41,853 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:30:41,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:30:41,885 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:30:41,886 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:30:41,886 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:30:41,886 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:30:41,886 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:30:41,886 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:30:41,886 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:30:41,886 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:30:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2019-12-07 13:30:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:30:41,904 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:30:41,905 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 13:30:41,905 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:30:41,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:30:41,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1295986076, now seen corresponding path program 1 times [2019-12-07 13:30:41,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:30:41,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398712715] [2019-12-07 13:30:41,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 13:30:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:30:42,050 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:30:42,054 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:30:42,065 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 13:30:42,065 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:30:42,068 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 13:30:42,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398712715] [2019-12-07 13:30:42,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:30:42,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:30:42,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511053737] [2019-12-07 13:30:42,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:30:42,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:30:42,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:30:42,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:30:42,083 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2019-12-07 13:30:42,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:30:42,102 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2019-12-07 13:30:42,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:30:42,103 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:30:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:30:42,113 INFO L225 Difference]: With dead ends: 139 [2019-12-07 13:30:42,114 INFO L226 Difference]: Without dead ends: 69 [2019-12-07 13:30:42,117 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 13:30:42,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-12-07 13:30:42,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-12-07 13:30:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-12-07 13:30:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2019-12-07 13:30:42,146 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2019-12-07 13:30:42,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:30:42,146 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-12-07 13:30:42,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:30:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2019-12-07 13:30:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:30:42,147 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:30:42,147 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 13:30:42,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:30:42,348 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:30:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:30:42,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1514822045, now seen corresponding path program 1 times [2019-12-07 13:30:42,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:30:42,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455713400] [2019-12-07 13:30:42,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 13:30:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:30:42,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:30:42,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:30:42,502 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 13:30:42,502 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:30:42,511 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 13:30:42,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455713400] [2019-12-07 13:30:42,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:30:42,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:30:42,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580413748] [2019-12-07 13:30:42,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:30:42,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:30:42,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:30:42,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:30:42,514 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 4 states. [2019-12-07 13:30:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:30:42,524 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2019-12-07 13:30:42,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:30:42,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:30:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:30:42,525 INFO L225 Difference]: With dead ends: 69 [2019-12-07 13:30:42,525 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 13:30:42,526 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 13:30:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 13:30:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 13:30:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 13:30:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 13:30:42,530 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-12-07 13:30:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:30:42,530 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 13:30:42,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:30:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 13:30:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:30:42,531 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:30:42,531 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 13:30:42,732 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:30:42,732 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:30:42,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:30:42,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2019-12-07 13:30:42,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:30:42,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690729159] [2019-12-07 13:30:42,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 13:30:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:30:42,837 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:30:42,838 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:30:42,845 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 13:30:42,846 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:30:42,852 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 13:30:42,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690729159] [2019-12-07 13:30:42,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:30:42,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:30:42,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935202009] [2019-12-07 13:30:42,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:30:42,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:30:42,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:30:42,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:30:42,854 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 13:30:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:30:42,903 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2019-12-07 13:30:42,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:30:42,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:30:42,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:30:42,905 INFO L225 Difference]: With dead ends: 59 [2019-12-07 13:30:42,905 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 13:30:42,905 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 13:30:42,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 13:30:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 13:30:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 13:30:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 13:30:42,911 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-12-07 13:30:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:30:42,911 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 13:30:42,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:30:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 13:30:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:30:42,912 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:30:42,912 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 13:30:43,112 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:30:43,113 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:30:43,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:30:43,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2019-12-07 13:30:43,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:30:43,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252475585] [2019-12-07 13:30:43,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 13:30:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:30:43,222 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:30:43,224 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:30:43,239 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 13:30:43,239 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:30:43,248 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 13:30:43,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252475585] [2019-12-07 13:30:43,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:30:43,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:30:43,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951536132] [2019-12-07 13:30:43,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:30:43,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:30:43,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:30:43,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:30:43,250 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-12-07 13:30:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:30:43,336 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2019-12-07 13:30:43,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:30:43,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 13:30:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:30:43,338 INFO L225 Difference]: With dead ends: 135 [2019-12-07 13:30:43,338 INFO L226 Difference]: Without dead ends: 109 [2019-12-07 13:30:43,339 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 13:30:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-12-07 13:30:43,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2019-12-07 13:30:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 13:30:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2019-12-07 13:30:43,350 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2019-12-07 13:30:43,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:30:43,350 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2019-12-07 13:30:43,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:30:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2019-12-07 13:30:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:30:43,352 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:30:43,352 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 13:30:43,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:30:43,553 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:30:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:30:43,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2019-12-07 13:30:43,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:30:43,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123709706] [2019-12-07 13:30:43,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/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 13:30:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:30:43,735 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:30:43,736 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:30:43,748 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 13:30:43,748 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:30:43,751 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 13:30:43,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123709706] [2019-12-07 13:30:43,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:30:43,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:30:43,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722530970] [2019-12-07 13:30:43,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:30:43,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:30:43,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:30:43,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:30:43,753 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2019-12-07 13:30:43,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:30:43,816 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2019-12-07 13:30:43,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:30:43,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 13:30:43,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:30:43,817 INFO L225 Difference]: With dead ends: 146 [2019-12-07 13:30:43,817 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:30:43,818 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 13:30:43,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:30:43,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:30:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:30:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:30:43,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 13:30:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:30:43,819 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:30:43,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:30:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:30:43,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:30:44,019 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:30:44,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:30:44,341 INFO L246 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-12-07 13:30:44,341 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-12-07 13:30:44,341 INFO L242 CegarLoopResult]: At program point L729-2(lines 757 763) 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 13:30:44,341 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 13:30:44,342 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 13:30:44,342 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 13:30:44,342 INFO L242 CegarLoopResult]: At program point L234(lines 230 236) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:30:44,342 INFO L242 CegarLoopResult]: At program point L168(lines 163 171) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:30:44,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:30:44,342 INFO L242 CegarLoopResult]: At program point L185-2(lines 185 199) the Hoare annotation is: false [2019-12-07 13:30:44,342 INFO L242 CegarLoopResult]: At program point L764(lines 764 770) 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 13:30:44,342 INFO L242 CegarLoopResult]: At program point L764-1(lines 764 770) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L246 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2019-12-07 13:30:44,343 INFO L242 CegarLoopResult]: At program point L764-2(lines 764 770) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L249 CegarLoopResult]: At program point L269(lines 250 272) the Hoare annotation is: true [2019-12-07 13:30:44,343 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) 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 13:30:44,343 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L242 CegarLoopResult]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L242 CegarLoopResult]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L242 CegarLoopResult]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-12-07 13:30:44,343 INFO L246 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L246 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L242 CegarLoopResult]: At program point L701-1(lines 701 707) 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 13:30:44,344 INFO L246 CegarLoopResult]: For program point L189-1(lines 757 763) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L242 CegarLoopResult]: At program point L850(lines 843 853) the Hoare annotation is: false [2019-12-07 13:30:44,344 INFO L242 CegarLoopResult]: At program point L850-1(lines 843 853) the Hoare annotation is: false [2019-12-07 13:30:44,344 INFO L242 CegarLoopResult]: At program point L850-2(lines 843 853) the Hoare annotation is: false [2019-12-07 13:30:44,344 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L246 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-12-07 13:30:44,344 INFO L246 CegarLoopResult]: For program point L292(lines 292 309) no Hoare annotation was computed. [2019-12-07 13:30:44,345 INFO L242 CegarLoopResult]: At program point L292-1(lines 1 906) 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 13:30:44,345 INFO L246 CegarLoopResult]: For program point L292-2(lines 292 309) no Hoare annotation was computed. [2019-12-07 13:30:44,345 INFO L242 CegarLoopResult]: At program point L292-3(lines 1 906) the Hoare annotation is: false [2019-12-07 13:30:44,345 INFO L242 CegarLoopResult]: At program point L160(lines 1 906) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:30:44,345 INFO L246 CegarLoopResult]: For program point L292-4(lines 292 309) no Hoare annotation was computed. [2019-12-07 13:30:44,345 INFO L242 CegarLoopResult]: At program point L292-5(lines 1 906) the Hoare annotation is: false [2019-12-07 13:30:44,345 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:30:44,345 INFO L246 CegarLoopResult]: For program point L260(lines 260 267) no Hoare annotation was computed. [2019-12-07 13:30:44,345 INFO L242 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: false [2019-12-07 13:30:44,345 INFO L249 CegarLoopResult]: At program point L260-1(lines 260 267) the Hoare annotation is: true [2019-12-07 13:30:44,345 INFO L246 CegarLoopResult]: For program point L789(lines 789 806) no Hoare annotation was computed. [2019-12-07 13:30:44,346 INFO L246 CegarLoopResult]: For program point L789-1(lines 789 806) no Hoare annotation was computed. [2019-12-07 13:30:44,346 INFO L246 CegarLoopResult]: For program point L789-2(lines 789 806) no Hoare annotation was computed. [2019-12-07 13:30:44,346 INFO L242 CegarLoopResult]: At program point L757(lines 756 775) 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 13:30:44,346 INFO L246 CegarLoopResult]: For program point L757-1(lines 757 763) no Hoare annotation was computed. [2019-12-07 13:30:44,346 INFO L242 CegarLoopResult]: At program point L757-2(lines 756 775) the Hoare annotation is: false [2019-12-07 13:30:44,346 INFO L242 CegarLoopResult]: At program point L757-3(lines 756 775) the Hoare annotation is: false [2019-12-07 13:30:44,346 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 13:30:44,346 INFO L246 CegarLoopResult]: For program point L130-1(line 130) no Hoare annotation was computed. [2019-12-07 13:30:44,346 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L130-2(line 130) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L296(lines 296 306) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 306) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L296-4(lines 296 306) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L297-2(lines 297 303) no Hoare annotation was computed. [2019-12-07 13:30:44,347 INFO L246 CegarLoopResult]: For program point L297-4(lines 297 303) no Hoare annotation was computed. [2019-12-07 13:30:44,348 INFO L242 CegarLoopResult]: At program point L859(lines 854 862) 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 13:30:44,348 INFO L242 CegarLoopResult]: At program point L859-1(lines 854 862) the Hoare annotation is: false [2019-12-07 13:30:44,348 INFO L242 CegarLoopResult]: At program point L281(lines 276 283) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:30:44,348 INFO L246 CegarLoopResult]: For program point L793(lines 793 801) no Hoare annotation was computed. [2019-12-07 13:30:44,348 INFO L242 CegarLoopResult]: At program point L859-2(lines 854 862) the Hoare annotation is: false [2019-12-07 13:30:44,348 INFO L246 CegarLoopResult]: For program point L793-1(lines 793 801) no Hoare annotation was computed. [2019-12-07 13:30:44,348 INFO L246 CegarLoopResult]: For program point L793-2(lines 793 801) no Hoare annotation was computed. [2019-12-07 13:30:44,348 INFO L246 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-12-07 13:30:44,348 INFO L242 CegarLoopResult]: At program point L711-1(lines 711 717) 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 13:30:44,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:30:44 BoogieIcfgContainer [2019-12-07 13:30:44,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:30:44,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:30:44,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:30:44,365 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:30:44,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:30:41" (3/4) ... [2019-12-07 13:30:44,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:30:44,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:30:44,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:30:44,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:30:44,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:30:44,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:30:44,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:30:44,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:30:44,411 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 13:30:44,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ef692c1-607e-4215-85a3-94ca05e14b32/bin/utaipan/witness.graphml [2019-12-07 13:30:44,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:30:44,443 INFO L168 Benchmark]: Toolchain (without parser) took 3524.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). Peak memory consumption was 294.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:44,444 INFO L168 Benchmark]: CDTParser took 0.17 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 13:30:44,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:44,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.36 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 13:30:44,444 INFO L168 Benchmark]: Boogie Preprocessor took 27.27 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 13:30:44,444 INFO L168 Benchmark]: RCFGBuilder took 485.89 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: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:44,444 INFO L168 Benchmark]: TraceAbstraction took 2532.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 798.7 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:44,445 INFO L168 Benchmark]: Witness Printer took 77.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 798.7 MB in the beginning and 1.2 GB in the end (delta: -395.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:30:44,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 357.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.36 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. * Boogie Preprocessor took 27.27 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 485.89 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: 79.4 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2532.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 798.7 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. * Witness Printer took 77.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 798.7 MB in the beginning and 1.2 GB in the end (delta: -395.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 130]: 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: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 303 SDtfs, 326 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 167 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1230 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 288 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 921 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...