./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.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_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 ...................................................................................................................................... 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_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:40:12,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:40:12,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:40:12,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:40:12,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:40:12,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:40:12,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:40:12,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:40:12,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:40:12,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:40:12,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:40:12,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:40:12,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:40:12,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:40:12,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:40:12,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:40:12,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:40:12,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:40:12,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:40:12,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:40:12,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:40:12,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:40:12,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:40:12,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:40:12,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:40:12,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:40:12,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:40:12,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:40:12,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:40:12,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:40:12,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:40:12,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:40:12,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:40:12,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:40:12,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:40:12,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:40:12,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:40:12,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:40:12,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:40:12,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:40:12,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:40:12,133 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:40:12,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:40:12,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:40:12,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:40:12,143 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:40:12,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:40:12,143 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:40:12,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:40:12,143 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:40:12,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:40:12,143 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:40:12,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:40:12,144 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:40:12,144 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:40:12,144 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:40:12,144 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:40:12,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:40:12,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:40:12,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:40:12,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:40:12,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:40:12,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:40:12,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:40:12,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:40:12,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:40:12,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:40:12,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:40:12,147 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_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 -> 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 [2019-12-07 16:40:12,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:40:12,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:40:12,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:40:12,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:40:12,260 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:40:12,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2019-12-07 16:40:12,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/20e7d925b/9f78c6cbdf814869ab7cf86c879bf083/FLAG38421a10c [2019-12-07 16:40:12,742 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:40:12,743 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2019-12-07 16:40:12,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/20e7d925b/9f78c6cbdf814869ab7cf86c879bf083/FLAG38421a10c [2019-12-07 16:40:12,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/20e7d925b/9f78c6cbdf814869ab7cf86c879bf083 [2019-12-07 16:40:12,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:40:12,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:40:12,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:40:12,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:40:12,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:40:12,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:40:12" (1/1) ... [2019-12-07 16:40:12,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:12, skipping insertion in model container [2019-12-07 16:40:12,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:40:12" (1/1) ... [2019-12-07 16:40:12,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:40:12,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:40:13,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:40:13,027 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 16:40:13,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4576a6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:13, skipping insertion in model container [2019-12-07 16:40:13,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:40:13,028 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:40:13,030 INFO L168 Benchmark]: Toolchain (without parser) took 266.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:13,031 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:40:13,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:13,033 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 563]: 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 16:40:14,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:40:14,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:40:14,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:40:14,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:40:14,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:40:14,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:40:14,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:40:14,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:40:14,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:40:14,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:40:14,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:40:14,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:40:14,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:40:14,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:40:14,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:40:14,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:40:14,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:40:14,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:40:14,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:40:14,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:40:14,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:40:14,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:40:14,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:40:14,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:40:14,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:40:14,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:40:14,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:40:14,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:40:14,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:40:14,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:40:14,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:40:14,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:40:14,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:40:14,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:40:14,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:40:14,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:40:14,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:40:14,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:40:14,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:40:14,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:40:14,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:40:14,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:40:14,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:40:14,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:40:14,210 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:40:14,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:40:14,210 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:40:14,210 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:40:14,210 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:40:14,211 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:40:14,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:40:14,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:40:14,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:40:14,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:40:14,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:40:14,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:40:14,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:40:14,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:40:14,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:40:14,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:40:14,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:40:14,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:40:14,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:40:14,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:40:14,215 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_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 -> 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 [2019-12-07 16:40:14,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:40:14,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:40:14,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:40:14,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:40:14,397 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:40:14,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2019-12-07 16:40:14,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/6d410515e/4082b6fbe7f141dd8528263d2dfd32f5/FLAGa64792b3e [2019-12-07 16:40:14,854 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:40:14,854 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2019-12-07 16:40:14,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/6d410515e/4082b6fbe7f141dd8528263d2dfd32f5/FLAGa64792b3e [2019-12-07 16:40:15,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/data/6d410515e/4082b6fbe7f141dd8528263d2dfd32f5 [2019-12-07 16:40:15,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:40:15,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:40:15,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:40:15,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:40:15,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:40:15,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15, skipping insertion in model container [2019-12-07 16:40:15,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:40:15,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:40:15,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:40:15,476 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:40:15,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:40:15,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:40:15,527 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:40:15,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:40:15,585 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:40:15,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15 WrapperNode [2019-12-07 16:40:15,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:40:15,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:40:15,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:40:15,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:40:15,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:40:15,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:40:15,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:40:15,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:40:15,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... [2019-12-07 16:40:15,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:40:15,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:40:15,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:40:15,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:40:15,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 16:40:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:40:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:40:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:40:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:40:16,157 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:40:16,157 INFO L287 CfgBuilder]: Removed 118 assume(true) statements. [2019-12-07 16:40:16,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:40:16 BoogieIcfgContainer [2019-12-07 16:40:16,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:40:16,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:40:16,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:40:16,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:40:16,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:40:15" (1/3) ... [2019-12-07 16:40:16,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef65ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:40:16, skipping insertion in model container [2019-12-07 16:40:16,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:15" (2/3) ... [2019-12-07 16:40:16,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef65ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:40:16, skipping insertion in model container [2019-12-07 16:40:16,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:40:16" (3/3) ... [2019-12-07 16:40:16,165 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2019-12-07 16:40:16,175 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:40:16,181 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:40:16,189 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:40:16,205 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:40:16,205 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:40:16,206 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:40:16,206 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:40:16,206 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:40:16,206 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:40:16,206 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:40:16,206 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:40:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-12-07 16:40:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:40:16,222 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:16,223 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:16,224 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:16,228 INFO L82 PathProgramCache]: Analyzing trace with hash 929673937, now seen corresponding path program 1 times [2019-12-07 16:40:16,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:16,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606240604] [2019-12-07 16:40:16,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 16:40:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:16,376 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:40:16,380 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:16,390 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 16:40:16,390 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:16,394 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 16:40:16,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606240604] [2019-12-07 16:40:16,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:16,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:40:16,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514914607] [2019-12-07 16:40:16,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:40:16,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:16,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:40:16,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:40:16,411 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-12-07 16:40:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:16,436 INFO L93 Difference]: Finished difference Result 172 states and 257 transitions. [2019-12-07 16:40:16,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:40:16,438 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:40:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:16,446 INFO L225 Difference]: With dead ends: 172 [2019-12-07 16:40:16,447 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 16:40:16,449 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 16:40:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 16:40:16,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 16:40:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 16:40:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-12-07 16:40:16,478 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 16 [2019-12-07 16:40:16,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:16,478 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-12-07 16:40:16,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:40:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-12-07 16:40:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:40:16,479 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:16,479 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:16,680 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:40:16,681 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:16,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:16,682 INFO L82 PathProgramCache]: Analyzing trace with hash -117082960, now seen corresponding path program 1 times [2019-12-07 16:40:16,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:16,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428387826] [2019-12-07 16:40:16,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 16:40:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:16,873 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:40:16,874 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:16,887 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 16:40:16,887 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:16,895 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 16:40:16,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428387826] [2019-12-07 16:40:16,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:16,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:40:16,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351757945] [2019-12-07 16:40:16,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:40:16,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:16,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:40:16,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:40:16,898 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 4 states. [2019-12-07 16:40:16,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:16,908 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-12-07 16:40:16,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:40:16,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 16:40:16,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:16,909 INFO L225 Difference]: With dead ends: 85 [2019-12-07 16:40:16,910 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 16:40:16,910 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 16:40:16,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 16:40:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-12-07 16:40:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 16:40:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2019-12-07 16:40:16,915 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 17 [2019-12-07 16:40:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:16,915 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2019-12-07 16:40:16,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:40:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2019-12-07 16:40:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:40:16,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:16,916 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] [2019-12-07 16:40:17,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:40:17,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:17,117 INFO L82 PathProgramCache]: Analyzing trace with hash 337421565, now seen corresponding path program 1 times [2019-12-07 16:40:17,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:17,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568129310] [2019-12-07 16:40:17,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 16:40:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:17,211 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:40:17,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:17,220 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 16:40:17,220 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:17,226 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 16:40:17,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568129310] [2019-12-07 16:40:17,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:17,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:40:17,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982407869] [2019-12-07 16:40:17,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:40:17,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:17,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:40:17,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:40:17,228 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 4 states. [2019-12-07 16:40:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:17,243 INFO L93 Difference]: Finished difference Result 128 states and 187 transitions. [2019-12-07 16:40:17,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:40:17,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 16:40:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:17,245 INFO L225 Difference]: With dead ends: 128 [2019-12-07 16:40:17,245 INFO L226 Difference]: Without dead ends: 95 [2019-12-07 16:40:17,245 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 16:40:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-07 16:40:17,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 58. [2019-12-07 16:40:17,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 16:40:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2019-12-07 16:40:17,253 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 22 [2019-12-07 16:40:17,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:17,254 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2019-12-07 16:40:17,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:40:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2019-12-07 16:40:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 16:40:17,254 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:17,255 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] [2019-12-07 16:40:17,455 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:40:17,455 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:17,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:17,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1224569535, now seen corresponding path program 1 times [2019-12-07 16:40:17,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:17,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519275053] [2019-12-07 16:40:17,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 16:40:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:17,582 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:40:17,583 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:17,588 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 16:40:17,588 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:17,590 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 16:40:17,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519275053] [2019-12-07 16:40:17,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:17,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:40:17,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514631291] [2019-12-07 16:40:17,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:40:17,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:17,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:40:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:40:17,591 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 3 states. [2019-12-07 16:40:17,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:17,650 INFO L93 Difference]: Finished difference Result 131 states and 192 transitions. [2019-12-07 16:40:17,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:40:17,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 16:40:17,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:17,651 INFO L225 Difference]: With dead ends: 131 [2019-12-07 16:40:17,651 INFO L226 Difference]: Without dead ends: 79 [2019-12-07 16:40:17,652 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:40:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-12-07 16:40:17,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-12-07 16:40:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 16:40:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-12-07 16:40:17,660 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 23 [2019-12-07 16:40:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:17,660 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-12-07 16:40:17,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:40:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-12-07 16:40:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:40:17,661 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:17,661 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 16:40:17,861 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:40:17,863 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:17,864 INFO L82 PathProgramCache]: Analyzing trace with hash -840484654, now seen corresponding path program 1 times [2019-12-07 16:40:17,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:17,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317966216] [2019-12-07 16:40:17,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/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 16:40:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:18,016 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:40:18,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:18,032 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 16:40:18,032 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:18,039 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 16:40:18,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317966216] [2019-12-07 16:40:18,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:18,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:40:18,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862704834] [2019-12-07 16:40:18,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:40:18,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:18,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:40:18,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:40:18,041 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 5 states. [2019-12-07 16:40:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:18,123 INFO L93 Difference]: Finished difference Result 371 states and 539 transitions. [2019-12-07 16:40:18,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:40:18,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 16:40:18,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:18,126 INFO L225 Difference]: With dead ends: 371 [2019-12-07 16:40:18,126 INFO L226 Difference]: Without dead ends: 300 [2019-12-07 16:40:18,127 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 16:40:18,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-12-07 16:40:18,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 140. [2019-12-07 16:40:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 16:40:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 196 transitions. [2019-12-07 16:40:18,147 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 196 transitions. Word has length 25 [2019-12-07 16:40:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:18,147 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 196 transitions. [2019-12-07 16:40:18,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:40:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 196 transitions. [2019-12-07 16:40:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 16:40:18,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:18,148 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 16:40:18,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:40:18,350 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:18,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:18,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1044291748, now seen corresponding path program 1 times [2019-12-07 16:40:18,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:18,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068669108] [2019-12-07 16:40:18,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 16:40:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:18,481 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:40:18,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:18,496 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 16:40:18,496 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:18,499 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 16:40:18,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068669108] [2019-12-07 16:40:18,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:18,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:40:18,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208761136] [2019-12-07 16:40:18,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:40:18,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:18,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:40:18,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:40:18,500 INFO L87 Difference]: Start difference. First operand 140 states and 196 transitions. Second operand 5 states. [2019-12-07 16:40:18,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:18,640 INFO L93 Difference]: Finished difference Result 392 states and 553 transitions. [2019-12-07 16:40:18,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:40:18,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 16:40:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:18,642 INFO L225 Difference]: With dead ends: 392 [2019-12-07 16:40:18,643 INFO L226 Difference]: Without dead ends: 390 [2019-12-07 16:40:18,643 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 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 16:40:18,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-12-07 16:40:18,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 140. [2019-12-07 16:40:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 16:40:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 194 transitions. [2019-12-07 16:40:18,667 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 194 transitions. Word has length 26 [2019-12-07 16:40:18,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:18,667 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 194 transitions. [2019-12-07 16:40:18,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:40:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2019-12-07 16:40:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:40:18,668 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:18,668 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:18,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 16:40:18,869 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash 895513141, now seen corresponding path program 1 times [2019-12-07 16:40:18,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:18,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504431788] [2019-12-07 16:40:18,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 16:40:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:18,997 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:40:18,999 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:19,010 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 16:40:19,010 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:19,012 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 16:40:19,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504431788] [2019-12-07 16:40:19,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:19,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:40:19,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903086663] [2019-12-07 16:40:19,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:40:19,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:19,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:40:19,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:40:19,013 INFO L87 Difference]: Start difference. First operand 140 states and 194 transitions. Second operand 5 states. [2019-12-07 16:40:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:19,064 INFO L93 Difference]: Finished difference Result 426 states and 588 transitions. [2019-12-07 16:40:19,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:40:19,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 16:40:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:19,066 INFO L225 Difference]: With dead ends: 426 [2019-12-07 16:40:19,066 INFO L226 Difference]: Without dead ends: 292 [2019-12-07 16:40:19,067 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 16:40:19,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-12-07 16:40:19,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 146. [2019-12-07 16:40:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-12-07 16:40:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 200 transitions. [2019-12-07 16:40:19,083 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 200 transitions. Word has length 33 [2019-12-07 16:40:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:19,083 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 200 transitions. [2019-12-07 16:40:19,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:40:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 200 transitions. [2019-12-07 16:40:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:40:19,084 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:19,084 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:19,285 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 16:40:19,286 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:19,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:19,287 INFO L82 PathProgramCache]: Analyzing trace with hash 308707127, now seen corresponding path program 1 times [2019-12-07 16:40:19,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:19,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3242654] [2019-12-07 16:40:19,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 16:40:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:19,417 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:40:19,418 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:19,426 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 16:40:19,427 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:19,437 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 16:40:19,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3242654] [2019-12-07 16:40:19,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:19,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 16:40:19,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544734251] [2019-12-07 16:40:19,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:40:19,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:19,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:40:19,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:40:19,438 INFO L87 Difference]: Start difference. First operand 146 states and 200 transitions. Second operand 6 states. [2019-12-07 16:40:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:19,482 INFO L93 Difference]: Finished difference Result 444 states and 606 transitions. [2019-12-07 16:40:19,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:40:19,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 16:40:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:19,484 INFO L225 Difference]: With dead ends: 444 [2019-12-07 16:40:19,484 INFO L226 Difference]: Without dead ends: 304 [2019-12-07 16:40:19,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:40:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2019-12-07 16:40:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 150. [2019-12-07 16:40:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-07 16:40:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 204 transitions. [2019-12-07 16:40:19,503 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 204 transitions. Word has length 33 [2019-12-07 16:40:19,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:19,504 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 204 transitions. [2019-12-07 16:40:19,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:40:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 204 transitions. [2019-12-07 16:40:19,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:40:19,505 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:19,505 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:19,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 16:40:19,706 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:19,707 INFO L82 PathProgramCache]: Analyzing trace with hash -971156551, now seen corresponding path program 1 times [2019-12-07 16:40:19,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:19,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395328193] [2019-12-07 16:40:19,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 16:40:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:19,798 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:40:19,799 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:19,804 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 16:40:19,804 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:19,811 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 16:40:19,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395328193] [2019-12-07 16:40:19,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:19,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:40:19,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762954244] [2019-12-07 16:40:19,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:40:19,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:19,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:40:19,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:40:19,813 INFO L87 Difference]: Start difference. First operand 150 states and 204 transitions. Second operand 4 states. [2019-12-07 16:40:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:19,858 INFO L93 Difference]: Finished difference Result 504 states and 688 transitions. [2019-12-07 16:40:19,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:40:19,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 16:40:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:19,860 INFO L225 Difference]: With dead ends: 504 [2019-12-07 16:40:19,860 INFO L226 Difference]: Without dead ends: 360 [2019-12-07 16:40:19,860 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 16:40:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-12-07 16:40:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 272. [2019-12-07 16:40:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-12-07 16:40:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 367 transitions. [2019-12-07 16:40:19,877 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 367 transitions. Word has length 33 [2019-12-07 16:40:19,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:19,877 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 367 transitions. [2019-12-07 16:40:19,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:40:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 367 transitions. [2019-12-07 16:40:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:40:19,878 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:19,878 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:20,078 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 16:40:20,079 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash 186139387, now seen corresponding path program 1 times [2019-12-07 16:40:20,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:20,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13602244] [2019-12-07 16:40:20,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 16:40:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:20,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:40:20,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:40:20,226 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 16:40:20,226 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:40:20,253 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 16:40:20,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13602244] [2019-12-07 16:40:20,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:20,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 16:40:20,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969175689] [2019-12-07 16:40:20,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 16:40:20,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:40:20,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 16:40:20,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:40:20,254 INFO L87 Difference]: Start difference. First operand 272 states and 367 transitions. Second operand 10 states. [2019-12-07 16:40:20,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:20,606 INFO L93 Difference]: Finished difference Result 1200 states and 1600 transitions. [2019-12-07 16:40:20,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 16:40:20,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-12-07 16:40:20,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:20,610 INFO L225 Difference]: With dead ends: 1200 [2019-12-07 16:40:20,610 INFO L226 Difference]: Without dead ends: 934 [2019-12-07 16:40:20,611 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-12-07 16:40:20,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2019-12-07 16:40:20,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 272. [2019-12-07 16:40:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-12-07 16:40:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 360 transitions. [2019-12-07 16:40:20,634 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 360 transitions. Word has length 34 [2019-12-07 16:40:20,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:20,634 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 360 transitions. [2019-12-07 16:40:20,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 16:40:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 360 transitions. [2019-12-07 16:40:20,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 16:40:20,635 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:20,636 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:20,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 16:40:20,837 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:20,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:20,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1466712466, now seen corresponding path program 1 times [2019-12-07 16:40:20,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:40:20,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840682660] [2019-12-07 16:40:20,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 16:40:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:40:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:40:21,999 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:40:21,999 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:40:22,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 16:40:22,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:40:22 BoogieIcfgContainer [2019-12-07 16:40:22,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:40:22,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:40:22,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:40:22,315 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:40:22,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:40:16" (3/4) ... [2019-12-07 16:40:22,316 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:40:22,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db460c6c-ecff-4f56-adca-c584d18e2fe2/bin/utaipan/witness.graphml [2019-12-07 16:40:22,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:40:22,392 INFO L168 Benchmark]: Toolchain (without parser) took 7173.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 945.7 MB in the beginning and 792.2 MB in the end (delta: 153.4 MB). Peak memory consumption was 351.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:22,393 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 16:40:22,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:22,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:22,393 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:40:22,393 INFO L168 Benchmark]: RCFGBuilder took 502.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:22,394 INFO L168 Benchmark]: TraceAbstraction took 6154.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 807.6 MB in the end (delta: 212.9 MB). Peak memory consumption was 292.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:22,394 INFO L168 Benchmark]: Witness Printer took 76.92 ms. Allocated memory is still 1.2 GB. Free memory was 807.6 MB in the beginning and 792.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:22,395 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 365.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 502.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6154.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 807.6 MB in the end (delta: 212.9 MB). Peak memory consumption was 292.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.92 ms. Allocated memory is still 1.2 GB. Free memory was 807.6 MB in the beginning and 792.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L512] int retValue_acc ; [L513] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE \read(systemActive) [L184] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND TRUE ! pumpRunning [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; [L127] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) [L218] int tmp ; [L243] int retValue_acc ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) [L212] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L411] int tmp ; [L412] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L344] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L346] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) [L184] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; [L412] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L405] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: UNSAFE, OverallTime: 5.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 881 SDtfs, 1301 SDslu, 2339 SDs, 0 SdLazy, 244 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 533 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 1499 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 26319 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1902 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...