./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.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_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ...................................................................................................................................... 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_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:31:01,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:31:01,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:31:01,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:31:01,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:31:01,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:31:01,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:31:01,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:31:01,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:31:01,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:31:01,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:31:01,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:31:01,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:31:01,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:31:01,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:31:01,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:31:01,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:31:01,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:31:01,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:31:01,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:31:01,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:31:01,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:31:01,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:31:01,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:31:01,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:31:01,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:31:01,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:31:01,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:31:01,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:31:01,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:31:01,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:31:01,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:31:01,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:31:01,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:31:01,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:31:01,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:31:01,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:31:01,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:31:01,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:31:01,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:31:01,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:31:01,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:31:01,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:31:01,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:31:01,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:31:01,231 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:31:01,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:31:01,231 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:31:01,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:31:01,232 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:31:01,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:31:01,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:31:01,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:31:01,232 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:31:01,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:31:01,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:31:01,233 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:31:01,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:31:01,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:31:01,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:31:01,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:31:01,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:31:01,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:31:01,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:31:01,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:31:01,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:31:01,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:31:01,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:31:01,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:31:01,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:31:01,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:31:01,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:31:01,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:31:01,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:31:01,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:31:01,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:31:01,238 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_878d1066-7d67-4ea7-afee-0b7e10f641b9/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2019-12-07 13:31:01,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:31:01,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:31:01,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:31:01,353 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:31:01,353 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:31:01,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-12-07 13:31:01,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/4c515c743/9977b43a5ee844e08f1fd6382dfdfabd/FLAG60813a51e [2019-12-07 13:31:01,767 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:31:01,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-12-07 13:31:01,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/4c515c743/9977b43a5ee844e08f1fd6382dfdfabd/FLAG60813a51e [2019-12-07 13:31:01,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/4c515c743/9977b43a5ee844e08f1fd6382dfdfabd [2019-12-07 13:31:01,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:31:01,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:31:01,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:31:01,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:31:01,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:31:01,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:31:01" (1/1) ... [2019-12-07 13:31:01,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f773ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:01, skipping insertion in model container [2019-12-07 13:31:01,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:31:01" (1/1) ... [2019-12-07 13:31:01,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:31:01,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:31:02,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:31:02,037 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 13:31:02,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58e1e767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:02, skipping insertion in model container [2019-12-07 13:31:02,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:31:02,038 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:31:02,040 INFO L168 Benchmark]: Toolchain (without parser) took 253.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:02,040 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:31:02,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:02,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 469]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:31:03,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:31:03,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:31:03,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:31:03,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:31:03,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:31:03,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:31:03,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:31:03,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:31:03,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:31:03,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:31:03,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:31:03,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:31:03,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:31:03,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:31:03,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:31:03,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:31:03,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:31:03,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:31:03,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:31:03,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:31:03,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:31:03,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:31:03,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:31:03,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:31:03,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:31:03,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:31:03,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:31:03,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:31:03,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:31:03,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:31:03,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:31:03,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:31:03,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:31:03,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:31:03,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:31:03,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:31:03,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:31:03,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:31:03,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:31:03,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:31:03,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:31:03,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:31:03,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:31:03,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:31:03,210 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:31:03,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:31:03,210 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:31:03,211 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:31:03,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:31:03,211 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:31:03,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:31:03,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:31:03,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:31:03,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:31:03,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:31:03,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:31:03,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:31:03,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:31:03,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:31:03,214 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:31:03,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:31:03,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:31:03,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:31:03,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:31:03,215 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_878d1066-7d67-4ea7-afee-0b7e10f641b9/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2019-12-07 13:31:03,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:31:03,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:31:03,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:31:03,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:31:03,393 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:31:03,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-12-07 13:31:03,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/3fa4da5ee/d6591e3a616a4da29a3a107d6fd7a420/FLAG52ed1e43b [2019-12-07 13:31:03,930 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:31:03,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-12-07 13:31:03,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/3fa4da5ee/d6591e3a616a4da29a3a107d6fd7a420/FLAG52ed1e43b [2019-12-07 13:31:04,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/data/3fa4da5ee/d6591e3a616a4da29a3a107d6fd7a420 [2019-12-07 13:31:04,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:31:04,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:31:04,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:31:04,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:31:04,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:31:04,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04, skipping insertion in model container [2019-12-07 13:31:04,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:31:04,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:31:04,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:31:04,686 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:31:04,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:31:04,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:31:04,735 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:31:04,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:31:04,796 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:31:04,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04 WrapperNode [2019-12-07 13:31:04,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:31:04,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:31:04,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:31:04,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:31:04,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:31:04,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:31:04,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:31:04,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:31:04,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... [2019-12-07 13:31:04,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:31:04,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:31:04,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:31:04,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:31:04,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:31:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:31:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:31:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:31:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:31:05,357 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:31:05,358 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 13:31:05,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:31:05 BoogieIcfgContainer [2019-12-07 13:31:05,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:31:05,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:31:05,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:31:05,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:31:05,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:31:04" (1/3) ... [2019-12-07 13:31:05,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c86569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:31:05, skipping insertion in model container [2019-12-07 13:31:05,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:04" (2/3) ... [2019-12-07 13:31:05,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c86569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:31:05, skipping insertion in model container [2019-12-07 13:31:05,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:31:05" (3/3) ... [2019-12-07 13:31:05,365 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2019-12-07 13:31:05,372 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:31:05,378 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:31:05,386 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:31:05,405 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:31:05,405 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:31:05,405 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:31:05,405 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:31:05,405 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:31:05,405 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:31:05,406 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:31:05,406 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:31:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 13:31:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:31:05,422 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:31:05,423 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:31:05,423 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:31:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:31:05,427 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2019-12-07 13:31:05,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:31:05,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097929670] [2019-12-07 13:31:05,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:31:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:31:05,575 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:31:05,579 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:31:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:05,590 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:31:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:05,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097929670] [2019-12-07 13:31:05,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:31:05,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:31:05,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955782451] [2019-12-07 13:31:05,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:31:05,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:31:05,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:31:05,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:31:05,610 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 13:31:05,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:31:05,631 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 13:31:05,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:31:05,633 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:31:05,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:31:05,641 INFO L225 Difference]: With dead ends: 144 [2019-12-07 13:31:05,642 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 13:31:05,645 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 13:31:05,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 13:31:05,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 13:31:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 13:31:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 13:31:05,675 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-12-07 13:31:05,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:31:05,675 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 13:31:05,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:31:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 13:31:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:31:05,676 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:31:05,677 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 13:31:05,877 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:31:05,878 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:31:05,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:31:05,879 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2019-12-07 13:31:05,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:31:05,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743269275] [2019-12-07 13:31:05,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:31:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:31:06,052 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:31:06,054 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:31:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:06,071 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:31:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:06,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743269275] [2019-12-07 13:31:06,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:31:06,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:31:06,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255790227] [2019-12-07 13:31:06,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:31:06,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:31:06,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:31:06,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:31:06,083 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 13:31:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:31:06,095 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 13:31:06,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:31:06,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 13:31:06,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:31:06,097 INFO L225 Difference]: With dead ends: 71 [2019-12-07 13:31:06,097 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 13:31:06,098 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 13:31:06,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 13:31:06,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 13:31:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 13:31:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 13:31:06,103 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 13:31:06,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:31:06,103 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 13:31:06,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:31:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 13:31:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:31:06,104 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:31:06,104 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 13:31:06,305 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:31:06,306 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:31:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:31:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2019-12-07 13:31:06,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:31:06,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110467622] [2019-12-07 13:31:06,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:31:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:31:06,473 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:31:06,474 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:31:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:06,481 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:31:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:06,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110467622] [2019-12-07 13:31:06,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:31:06,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:31:06,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859099304] [2019-12-07 13:31:06,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:31:06,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:31:06,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:31:06,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:31:06,489 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 13:31:06,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:31:06,522 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 13:31:06,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:31:06,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 13:31:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:31:06,523 INFO L225 Difference]: With dead ends: 60 [2019-12-07 13:31:06,523 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 13:31:06,523 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 13:31:06,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 13:31:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 13:31:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 13:31:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 13:31:06,527 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-12-07 13:31:06,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:31:06,528 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 13:31:06,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:31:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 13:31:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:31:06,529 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:31:06,529 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 13:31:06,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:31:06,730 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:31:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:31:06,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2019-12-07 13:31:06,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:31:06,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270664459] [2019-12-07 13:31:06,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 13:31:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:31:06,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:31:06,888 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:31:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:06,903 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:31:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:06,910 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270664459] [2019-12-07 13:31:06,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:31:06,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:31:06,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663202675] [2019-12-07 13:31:06,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:31:06,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:31:06,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:31:06,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:31:06,911 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-12-07 13:31:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:31:06,980 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 13:31:06,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:31:06,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 13:31:06,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:31:06,981 INFO L225 Difference]: With dead ends: 151 [2019-12-07 13:31:06,981 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 13:31:06,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:31:06,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 13:31:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-12-07 13:31:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 13:31:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-12-07 13:31:06,991 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-12-07 13:31:06,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:31:06,991 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-12-07 13:31:06,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:31:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-12-07 13:31:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:31:06,993 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:31:06,993 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:31:07,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:31:07,194 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:31:07,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:31:07,195 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2019-12-07 13:31:07,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:31:07,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374157069] [2019-12-07 13:31:07,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 13:31:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:31:07,361 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:31:07,362 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:31:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:07,376 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:31:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:31:07,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374157069] [2019-12-07 13:31:07,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:31:07,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:31:07,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291790761] [2019-12-07 13:31:07,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:31:07,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:31:07,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:31:07,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:31:07,380 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-12-07 13:31:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:31:07,443 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-12-07 13:31:07,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:31:07,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 13:31:07,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:31:07,443 INFO L225 Difference]: With dead ends: 148 [2019-12-07 13:31:07,443 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:31:07,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:31:07,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:31:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:31:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:31:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:31:07,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 13:31:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:31:07,445 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:31:07,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:31:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:31:07,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:31:07,645 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:31:07,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:31:07,942 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-12-07 13:31:07,942 INFO L242 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: false [2019-12-07 13:31:07,942 INFO L242 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L242 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: false [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L249 CegarLoopResult]: At program point L203(lines 184 206) the Hoare annotation is: true [2019-12-07 13:31:07,943 INFO L242 CegarLoopResult]: At program point L170(lines 166 172) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L253(lines 253 270) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L253-1(lines 253 270) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L253-2(lines 253 270) no Hoare annotation was computed. [2019-12-07 13:31:07,943 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L242 CegarLoopResult]: At program point L221(lines 220 239) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L242 CegarLoopResult]: At program point L221-2(lines 220 239) the Hoare annotation is: false [2019-12-07 13:31:07,944 INFO L242 CegarLoopResult]: At program point L221-3(lines 220 239) the Hoare annotation is: false [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L123-1(lines 221 227) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L246 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-12-07 13:31:07,944 INFO L242 CegarLoopResult]: At program point L404-1(lines 404 410) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L246 CegarLoopResult]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2019-12-07 13:31:07,945 INFO L242 CegarLoopResult]: At program point L306(lines 301 309) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,945 INFO L242 CegarLoopResult]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2019-12-07 13:31:07,945 INFO L242 CegarLoopResult]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2019-12-07 13:31:07,946 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 13:31:07,946 INFO L242 CegarLoopResult]: At program point L901(lines 896 904) the Hoare annotation is: false [2019-12-07 13:31:07,946 INFO L242 CegarLoopResult]: At program point L422-2(lines 221 227) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,946 INFO L242 CegarLoopResult]: At program point L901-1(lines 896 904) the Hoare annotation is: false [2019-12-07 13:31:07,946 INFO L246 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-12-07 13:31:07,946 INFO L242 CegarLoopResult]: At program point L901-2(lines 896 904) the Hoare annotation is: false [2019-12-07 13:31:07,946 INFO L246 CegarLoopResult]: For program point L257(lines 257 265) no Hoare annotation was computed. [2019-12-07 13:31:07,946 INFO L246 CegarLoopResult]: For program point L257-1(lines 257 265) no Hoare annotation was computed. [2019-12-07 13:31:07,946 INFO L246 CegarLoopResult]: For program point L257-2(lines 257 265) no Hoare annotation was computed. [2019-12-07 13:31:07,946 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-12-07 13:31:07,947 INFO L242 CegarLoopResult]: At program point L94(lines 1 904) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:31:07,947 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:31:07,947 INFO L246 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2019-12-07 13:31:07,947 INFO L249 CegarLoopResult]: At program point L194-1(lines 194 201) the Hoare annotation is: true [2019-12-07 13:31:07,947 INFO L242 CegarLoopResult]: At program point L228(lines 228 234) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,947 INFO L242 CegarLoopResult]: At program point L228-1(lines 228 234) the Hoare annotation is: false [2019-12-07 13:31:07,947 INFO L242 CegarLoopResult]: At program point L228-2(lines 228 234) the Hoare annotation is: false [2019-12-07 13:31:07,947 INFO L246 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-12-07 13:31:07,947 INFO L246 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-12-07 13:31:07,947 INFO L246 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-12-07 13:31:07,947 INFO L246 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L394-1(lines 394 400) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L361(lines 346 364) the Hoare annotation is: false [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2019-12-07 13:31:07,948 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:31:07,948 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-12-07 13:31:07,948 INFO L246 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: false [2019-12-07 13:31:07,948 INFO L242 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-12-07 13:31:07,949 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 13:31:07,949 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 904) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:31:07,949 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 13:31:07,949 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 904) the Hoare annotation is: false [2019-12-07 13:31:07,949 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 13:31:07,949 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 904) the Hoare annotation is: false [2019-12-07 13:31:07,949 INFO L246 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2019-12-07 13:31:07,949 INFO L246 CegarLoopResult]: For program point L811-1(line 811) no Hoare annotation was computed. [2019-12-07 13:31:07,949 INFO L246 CegarLoopResult]: For program point L811-2(line 811) no Hoare annotation was computed. [2019-12-07 13:31:07,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:31:07 BoogieIcfgContainer [2019-12-07 13:31:07,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:31:07,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:31:07,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:31:07,964 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:31:07,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:31:05" (3/4) ... [2019-12-07 13:31:07,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:31:07,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:31:07,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:31:07,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:31:07,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:31:07,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:31:07,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:31:07,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:31:08,006 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 13:31:08,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_878d1066-7d67-4ea7-afee-0b7e10f641b9/bin/utaipan/witness.graphml [2019-12-07 13:31:08,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:31:08,047 INFO L168 Benchmark]: Toolchain (without parser) took 3628.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.0 MB in the beginning and 789.2 MB in the end (delta: 161.9 MB). Peak memory consumption was 270.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:08,047 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:31:08,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:08,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.76 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:08,048 INFO L168 Benchmark]: Boogie Preprocessor took 27.83 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 13:31:08,048 INFO L168 Benchmark]: RCFGBuilder took 490.66 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: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:08,048 INFO L168 Benchmark]: TraceAbstraction took 2603.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 796.0 MB in the end (delta: 213.9 MB). Peak memory consumption was 213.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:08,049 INFO L168 Benchmark]: Witness Printer took 82.60 ms. Allocated memory is still 1.1 GB. Free memory was 796.0 MB in the beginning and 789.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:31:08,050 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.76 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.83 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 490.66 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: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2603.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 796.0 MB in the end (delta: 213.9 MB). Peak memory consumption was 213.9 MB. Max. memory is 11.5 GB. * Witness Printer took 82.60 ms. Allocated memory is still 1.1 GB. Free memory was 796.0 MB in the beginning and 789.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 311 SDtfs, 406 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1377 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 906 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...