./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:37:16,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:37:16,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:37:16,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:37:16,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:37:16,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:37:16,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:37:16,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:37:16,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:37:16,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:37:16,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:37:16,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:37:16,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:37:16,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:37:16,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:37:16,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:37:16,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:37:16,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:37:16,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:37:16,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:37:16,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:37:16,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:37:16,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:37:16,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:37:16,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:37:16,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:37:16,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:37:16,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:37:16,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:37:16,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:37:16,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:37:16,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:37:16,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:37:16,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:37:16,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:37:16,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:37:16,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:37:16,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:37:16,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:37:16,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:37:16,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:37:16,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:37:16,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:37:16,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:37:16,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:37:16,224 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:37:16,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:37:16,224 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:37:16,224 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:37:16,225 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:37:16,225 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:37:16,225 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:37:16,225 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:37:16,226 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:37:16,226 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:37:16,226 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:37:16,226 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:37:16,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:37:16,227 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:37:16,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:37:16,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:37:16,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:37:16,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:37:16,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:37:16,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:37:16,229 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:37:16,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:37:16,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:37:16,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:37:16,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:37:16,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:37:16,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:37:16,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:37:16,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:37:16,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:37:16,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:37:16,232 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:37:16,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:37:16,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:37:16,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:37:16,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:37:16,233 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 [2021-10-20 05:37:16,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:37:16,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:37:16,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:37:16,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:37:16,555 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:37:16,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-20 05:37:16,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/b2a1eae4c/7d6e7c1673144532b33b475f66ae2716/FLAGcc2587375 [2021-10-20 05:37:17,219 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:37:17,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-20 05:37:17,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/b2a1eae4c/7d6e7c1673144532b33b475f66ae2716/FLAGcc2587375 [2021-10-20 05:37:17,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/b2a1eae4c/7d6e7c1673144532b33b475f66ae2716 [2021-10-20 05:37:17,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:37:17,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:37:17,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:37:17,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:37:17,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:37:17,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:37:17" (1/1) ... [2021-10-20 05:37:17,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475eb51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:17, skipping insertion in model container [2021-10-20 05:37:17,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:37:17" (1/1) ... [2021-10-20 05:37:17,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:37:17,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:37:17,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-10-20 05:37:18,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:37:18,141 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) [2021-10-20 05:37:18,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57948f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:18, skipping insertion in model container [2021-10-20 05:37:18,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:37:18,143 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:37:18,146 INFO L168 Benchmark]: Toolchain (without parser) took 597.58 ms. Allocated memory is still 111.1 MB. Free memory was 69.5 MB in the beginning and 82.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:18,147 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 111.1 MB. Free memory is still 87.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:37:18,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.64 ms. Allocated memory is still 111.1 MB. Free memory was 69.3 MB in the beginning and 82.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:18,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 111.1 MB. Free memory is still 87.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.64 ms. Allocated memory is still 111.1 MB. Free memory was 69.3 MB in the beginning and 82.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 87]: 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 0.2.1-dev-e943c26 [2021-10-20 05:37:20,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:37:20,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:37:20,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:37:20,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:37:20,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:37:20,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:37:20,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:37:20,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:37:20,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:37:20,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:37:20,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:37:20,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:37:20,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:37:20,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:37:20,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:37:20,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:37:20,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:37:20,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:37:20,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:37:20,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:37:20,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:37:20,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:37:20,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:37:20,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:37:20,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:37:20,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:37:20,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:37:20,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:37:20,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:37:20,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:37:20,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:37:20,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:37:20,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:37:20,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:37:20,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:37:20,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:37:20,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:37:20,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:37:20,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:37:20,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:37:20,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:37:20,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:37:20,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:37:20,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:37:20,939 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:37:20,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:37:20,940 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:37:20,940 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:37:20,940 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:37:20,941 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:37:20,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:37:20,943 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:37:20,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:37:20,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:37:20,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:37:20,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:37:20,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:37:20,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:37:20,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:37:20,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:37:20,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:37:20,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:37:20,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:37:20,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:37:20,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:37:20,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:37:20,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:37:20,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:37:20,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:37:20,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:37:20,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:37:20,949 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:37:20,949 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:37:20,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:37:20,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:37:20,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:37:20,950 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 [2021-10-20 05:37:21,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:37:21,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:37:21,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:37:21,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:37:21,457 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:37:21,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-20 05:37:21,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/2b9e2eb58/944f869d2a9e4efd83ed2f50d869e318/FLAG27c6a3616 [2021-10-20 05:37:22,266 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:37:22,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-20 05:37:22,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/2b9e2eb58/944f869d2a9e4efd83ed2f50d869e318/FLAG27c6a3616 [2021-10-20 05:37:22,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/data/2b9e2eb58/944f869d2a9e4efd83ed2f50d869e318 [2021-10-20 05:37:22,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:37:22,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:37:22,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:37:22,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:37:22,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:37:22,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:37:22" (1/1) ... [2021-10-20 05:37:22,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754e7b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:22, skipping insertion in model container [2021-10-20 05:37:22,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:37:22" (1/1) ... [2021-10-20 05:37:22,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:37:22,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:37:22,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-10-20 05:37:22,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:37:23,017 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:37:23,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:37:23,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-10-20 05:37:23,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:37:23,156 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:37:23,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-10-20 05:37:23,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:37:23,288 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:37:23,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23 WrapperNode [2021-10-20 05:37:23,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:37:23,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:37:23,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:37:23,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:37:23,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:37:23,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:37:23,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:37:23,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:37:23,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:37:23,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:37:23,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:37:23,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:37:23,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (1/1) ... [2021-10-20 05:37:23,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:37:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:37:23,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:37:23,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:37:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:37:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:37:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:37:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:37:26,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:37:26,105 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-20 05:37:26,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:37:26 BoogieIcfgContainer [2021-10-20 05:37:26,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:37:26,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:37:26,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:37:26,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:37:26,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:37:22" (1/3) ... [2021-10-20 05:37:26,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737c70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:37:26, skipping insertion in model container [2021-10-20 05:37:26,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:23" (2/3) ... [2021-10-20 05:37:26,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737c70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:37:26, skipping insertion in model container [2021-10-20 05:37:26,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:37:26" (3/3) ... [2021-10-20 05:37:26,118 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2021-10-20 05:37:26,124 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:37:26,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:37:26,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:37:26,177 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:37:26,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:37:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:26,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-20 05:37:26,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:37:26,204 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:37:26,204 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:37:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:37:26,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2021-10-20 05:37:26,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:37:26,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307151967] [2021-10-20 05:37:26,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:37:26,247 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:37:26,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:37:26,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:37:26,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:37:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:37:26,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:37:26,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:37:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:26,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:37:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:26,709 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:37:26,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307151967] [2021-10-20 05:37:26,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307151967] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:37:26,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:37:26,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:37:26,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312724525] [2021-10-20 05:37:26,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:37:26,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:37:26,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:37:26,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:37:26,743 INFO L87 Difference]: Start difference. First operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:37:26,787 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-20 05:37:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:37:26,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-20 05:37:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:37:26,801 INFO L225 Difference]: With dead ends: 155 [2021-10-20 05:37:26,801 INFO L226 Difference]: Without dead ends: 77 [2021-10-20 05:37:26,806 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:37:26,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-20 05:37:26,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-20 05:37:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 74 states have (on average 1.472972972972973) internal successors, (109), 76 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-20 05:37:26,867 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-20 05:37:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:37:26,868 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-20 05:37:26,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-20 05:37:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:37:26,870 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:37:26,871 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:37:26,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-20 05:37:27,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:37:27,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:37:27,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:37:27,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2021-10-20 05:37:27,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:37:27,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571182026] [2021-10-20 05:37:27,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:37:27,092 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:37:27,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:37:27,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:37:27,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:37:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:37:27,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:37:27,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:37:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:27,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:37:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:27,488 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:37:27,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571182026] [2021-10-20 05:37:27,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571182026] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:37:27,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:37:27,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:37:27,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822812900] [2021-10-20 05:37:27,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:37:27,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:37:27,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:37:27,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:37:27,493 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:27,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:37:27,519 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-20 05:37:27,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:37:27,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-20 05:37:27,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:37:27,523 INFO L225 Difference]: With dead ends: 77 [2021-10-20 05:37:27,523 INFO L226 Difference]: Without dead ends: 37 [2021-10-20 05:37:27,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:37:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-20 05:37:27,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-20 05:37:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 36 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-20 05:37:27,539 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-20 05:37:27,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:37:27,539 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-20 05:37:27,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-20 05:37:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 05:37:27,544 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:37:27,545 INFO L512 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] [2021-10-20 05:37:27,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-20 05:37:27,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:37:27,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:37:27,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:37:27,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2021-10-20 05:37:27,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:37:27,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678976806] [2021-10-20 05:37:27,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:37:27,768 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:37:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:37:27,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:37:27,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:37:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:37:27,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:37:27,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:37:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:28,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:37:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:28,196 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:37:28,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678976806] [2021-10-20 05:37:28,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678976806] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:37:28,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:37:28,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 05:37:28,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394364498] [2021-10-20 05:37:28,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:37:28,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:37:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:37:28,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:37:28,200 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:37:28,246 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2021-10-20 05:37:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:37:28,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-20 05:37:28,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:37:28,250 INFO L225 Difference]: With dead ends: 121 [2021-10-20 05:37:28,251 INFO L226 Difference]: Without dead ends: 91 [2021-10-20 05:37:28,251 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:37:28,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-20 05:37:28,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2021-10-20 05:37:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 56 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2021-10-20 05:37:28,262 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2021-10-20 05:37:28,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:37:28,262 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2021-10-20 05:37:28,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-10-20 05:37:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-20 05:37:28,264 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:37:28,264 INFO L512 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] [2021-10-20 05:37:28,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:37:28,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:37:28,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:37:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:37:28,480 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2021-10-20 05:37:28,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:37:28,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245600639] [2021-10-20 05:37:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:37:28,481 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:37:28,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:37:28,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:37:28,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:37:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:37:28,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:37:28,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:37:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:28,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:37:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:28,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:37:28,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245600639] [2021-10-20 05:37:28,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245600639] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:37:28,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:37:28,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-20 05:37:28,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861023412] [2021-10-20 05:37:28,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:37:28,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:37:28,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:37:28,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:37:28,919 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:29,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:37:29,028 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2021-10-20 05:37:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 05:37:29,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-20 05:37:29,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:37:29,035 INFO L225 Difference]: With dead ends: 261 [2021-10-20 05:37:29,035 INFO L226 Difference]: Without dead ends: 211 [2021-10-20 05:37:29,036 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:37:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-20 05:37:29,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2021-10-20 05:37:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.469387755102041) internal successors, (144), 98 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2021-10-20 05:37:29,075 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2021-10-20 05:37:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:37:29,075 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2021-10-20 05:37:29,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2021-10-20 05:37:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 05:37:29,084 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:37:29,084 INFO L512 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] [2021-10-20 05:37:29,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:37:29,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:37:29,289 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:37:29,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:37:29,289 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2021-10-20 05:37:29,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:37:29,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947813540] [2021-10-20 05:37:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:37:29,291 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:37:29,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:37:29,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:37:29,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:37:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:37:29,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:37:29,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:37:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:29,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:37:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:29,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:37:29,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947813540] [2021-10-20 05:37:29,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947813540] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:37:29,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:37:29,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 05:37:29,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824478186] [2021-10-20 05:37:29,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:37:29,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:37:29,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:37:29,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:37:29,703 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:29,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:37:29,846 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2021-10-20 05:37:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:37:29,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-20 05:37:29,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:37:29,847 INFO L225 Difference]: With dead ends: 289 [2021-10-20 05:37:29,847 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:37:29,852 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 05:37:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:37:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:37:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:37:29,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-20 05:37:29,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:37:29,854 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:37:29,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:37:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:37:29,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:37:29,858 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:37:29,859 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:37:29,859 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:37:29,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:37:30,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:37:30,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:37:30,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:30,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-20 05:37:30,503 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 657) no Hoare annotation was computed. [2021-10-20 05:37:30,503 INFO L857 garLoopResultBuilder]: For program point L647-2(lines 647 657) no Hoare annotation was computed. [2021-10-20 05:37:30,503 INFO L857 garLoopResultBuilder]: For program point L647-4(lines 647 657) no Hoare annotation was computed. [2021-10-20 05:37:30,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:37:30,504 INFO L857 garLoopResultBuilder]: For program point L846(lines 845 892) no Hoare annotation was computed. [2021-10-20 05:37:30,504 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2021-10-20 05:37:30,504 INFO L853 garLoopResultBuilder]: At program point L582(lines 578 584) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,504 INFO L857 garLoopResultBuilder]: For program point L648-2(lines 648 654) no Hoare annotation was computed. [2021-10-20 05:37:30,504 INFO L853 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: false [2021-10-20 05:37:30,504 INFO L857 garLoopResultBuilder]: For program point L648-4(lines 648 654) no Hoare annotation was computed. [2021-10-20 05:37:30,505 INFO L853 garLoopResultBuilder]: At program point L516-1(lines 511 519) the Hoare annotation is: false [2021-10-20 05:37:30,505 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-20 05:37:30,505 INFO L853 garLoopResultBuilder]: At program point L516-2(lines 511 519) the Hoare annotation is: false [2021-10-20 05:37:30,505 INFO L853 garLoopResultBuilder]: At program point L632(lines 627 634) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,505 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-20 05:37:30,505 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-20 05:37:30,506 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-20 05:37:30,506 INFO L853 garLoopResultBuilder]: At program point L533-2(lines 533 547) the Hoare annotation is: false [2021-10-20 05:37:30,506 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2021-10-20 05:37:30,506 INFO L853 garLoopResultBuilder]: At program point L682(lines 682 688) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,506 INFO L853 garLoopResultBuilder]: At program point L682-1(lines 682 688) the Hoare annotation is: false [2021-10-20 05:37:30,506 INFO L853 garLoopResultBuilder]: At program point L682-2(lines 682 688) the Hoare annotation is: false [2021-10-20 05:37:30,506 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-20 05:37:30,507 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-10-20 05:37:30,507 INFO L853 garLoopResultBuilder]: At program point L881-1(lines 675 681) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,507 INFO L853 garLoopResultBuilder]: At program point L815(lines 800 818) the Hoare annotation is: false [2021-10-20 05:37:30,507 INFO L853 garLoopResultBuilder]: At program point L815-1(lines 800 818) the Hoare annotation is: false [2021-10-20 05:37:30,507 INFO L853 garLoopResultBuilder]: At program point L815-2(lines 800 818) the Hoare annotation is: false [2021-10-20 05:37:30,507 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-10-20 05:37:30,508 INFO L853 garLoopResultBuilder]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,508 INFO L853 garLoopResultBuilder]: At program point L932(lines 927 935) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,508 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:37:30,508 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2021-10-20 05:37:30,508 INFO L857 garLoopResultBuilder]: For program point L537-1(lines 675 681) no Hoare annotation was computed. [2021-10-20 05:37:30,508 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-10-20 05:37:30,509 INFO L857 garLoopResultBuilder]: For program point L438-3(lines 438 442) no Hoare annotation was computed. [2021-10-20 05:37:30,509 INFO L857 garLoopResultBuilder]: For program point L438-6(lines 438 442) no Hoare annotation was computed. [2021-10-20 05:37:30,509 INFO L860 garLoopResultBuilder]: At program point L620(lines 601 623) the Hoare annotation is: true [2021-10-20 05:37:30,509 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-20 05:37:30,509 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:37:30,509 INFO L853 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,510 INFO L853 garLoopResultBuilder]: At program point L475-1(lines 470 478) the Hoare annotation is: false [2021-10-20 05:37:30,510 INFO L853 garLoopResultBuilder]: At program point L475-2(lines 470 478) the Hoare annotation is: false [2021-10-20 05:37:30,510 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 861) no Hoare annotation was computed. [2021-10-20 05:37:30,510 INFO L853 garLoopResultBuilder]: At program point L855-1(lines 855 861) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,510 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 724) no Hoare annotation was computed. [2021-10-20 05:37:30,510 INFO L857 garLoopResultBuilder]: For program point L707-1(lines 707 724) no Hoare annotation was computed. [2021-10-20 05:37:30,510 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 724) no Hoare annotation was computed. [2021-10-20 05:37:30,511 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 829) no Hoare annotation was computed. [2021-10-20 05:37:30,511 INFO L853 garLoopResultBuilder]: At program point L823-1(lines 823 829) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,511 INFO L853 garLoopResultBuilder]: At program point L675(lines 674 693) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,511 INFO L857 garLoopResultBuilder]: For program point L675-1(lines 675 681) no Hoare annotation was computed. [2021-10-20 05:37:30,511 INFO L853 garLoopResultBuilder]: At program point L675-2(lines 674 693) the Hoare annotation is: false [2021-10-20 05:37:30,512 INFO L853 garLoopResultBuilder]: At program point L675-3(lines 674 693) the Hoare annotation is: false [2021-10-20 05:37:30,512 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 660) no Hoare annotation was computed. [2021-10-20 05:37:30,512 INFO L853 garLoopResultBuilder]: At program point L643-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,512 INFO L857 garLoopResultBuilder]: For program point L643-2(lines 643 660) no Hoare annotation was computed. [2021-10-20 05:37:30,512 INFO L853 garLoopResultBuilder]: At program point L643-3(lines 1 935) the Hoare annotation is: false [2021-10-20 05:37:30,519 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:37:30,520 INFO L857 garLoopResultBuilder]: For program point L643-4(lines 643 660) no Hoare annotation was computed. [2021-10-20 05:37:30,520 INFO L853 garLoopResultBuilder]: At program point L643-5(lines 1 935) the Hoare annotation is: false [2021-10-20 05:37:30,520 INFO L853 garLoopResultBuilder]: At program point L924(lines 1 935) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,521 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-20 05:37:30,521 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-20 05:37:30,521 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 888) no Hoare annotation was computed. [2021-10-20 05:37:30,522 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-10-20 05:37:30,523 INFO L857 garLoopResultBuilder]: For program point L809-2(lines 809 813) no Hoare annotation was computed. [2021-10-20 05:37:30,523 INFO L857 garLoopResultBuilder]: For program point L809-3(lines 809 813) no Hoare annotation was computed. [2021-10-20 05:37:30,523 INFO L857 garLoopResultBuilder]: For program point L809-5(lines 809 813) no Hoare annotation was computed. [2021-10-20 05:37:30,523 INFO L857 garLoopResultBuilder]: For program point L611(lines 611 618) no Hoare annotation was computed. [2021-10-20 05:37:30,526 INFO L857 garLoopResultBuilder]: For program point L809-6(lines 809 813) no Hoare annotation was computed. [2021-10-20 05:37:30,526 INFO L860 garLoopResultBuilder]: At program point L611-1(lines 611 618) the Hoare annotation is: true [2021-10-20 05:37:30,527 INFO L857 garLoopResultBuilder]: For program point L809-8(lines 809 813) no Hoare annotation was computed. [2021-10-20 05:37:30,527 INFO L853 garLoopResultBuilder]: At program point L760(lines 755 763) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:37:30,527 INFO L853 garLoopResultBuilder]: At program point L760-1(lines 755 763) the Hoare annotation is: false [2021-10-20 05:37:30,527 INFO L853 garLoopResultBuilder]: At program point L760-2(lines 755 763) the Hoare annotation is: false [2021-10-20 05:37:30,527 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 719) no Hoare annotation was computed. [2021-10-20 05:37:30,528 INFO L857 garLoopResultBuilder]: For program point L711-1(lines 711 719) no Hoare annotation was computed. [2021-10-20 05:37:30,528 INFO L857 garLoopResultBuilder]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2021-10-20 05:37:30,528 INFO L853 garLoopResultBuilder]: At program point L893(lines 844 894) the Hoare annotation is: false [2021-10-20 05:37:30,533 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:37:30,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:37:30 BoogieIcfgContainer [2021-10-20 05:37:30,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:37:30,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:37:30,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:37:30,566 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:37:30,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:37:26" (3/4) ... [2021-10-20 05:37:30,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:37:30,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 05:37:30,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 05:37:30,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:37:30,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:37:30,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:37:30,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:37:30,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:37:30,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-20 05:37:30,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:37:30,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:37:30,723 INFO L168 Benchmark]: Toolchain (without parser) took 8190.62 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 27.6 MB in the beginning and 43.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,723 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 52.4 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:37:30,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.37 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 44.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.50 ms. Allocated memory is still 65.0 MB. Free memory was 44.5 MB in the beginning and 41.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,725 INFO L168 Benchmark]: Boogie Preprocessor took 48.23 ms. Allocated memory is still 65.0 MB. Free memory was 41.5 MB in the beginning and 39.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,725 INFO L168 Benchmark]: RCFGBuilder took 2665.15 ms. Allocated memory is still 65.0 MB. Free memory was 39.1 MB in the beginning and 41.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,726 INFO L168 Benchmark]: TraceAbstraction took 4456.01 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.6 MB in the beginning and 50.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,726 INFO L168 Benchmark]: Witness Printer took 155.03 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 43.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:30,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 52.4 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 744.37 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 44.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.50 ms. Allocated memory is still 65.0 MB. Free memory was 44.5 MB in the beginning and 41.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.23 ms. Allocated memory is still 65.0 MB. Free memory was 41.5 MB in the beginning and 39.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2665.15 ms. Allocated memory is still 65.0 MB. Free memory was 39.1 MB in the beginning and 41.2 MB in the end (delta: -2.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4456.01 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.6 MB in the beginning and 50.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Witness Printer took 155.03 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 43.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4364.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 27.6ms, AutomataDifference: 437.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 414.1ms, InitialAbstractionConstructionTime: 12.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 350 SDtfs, 369 SDslu, 442 SDs, 0 SdLazy, 52 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 100.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 100.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 108.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 307.5ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 96.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 140.4ms SsaConstructionTime, 620.7ms SatisfiabilityAnalysisTime, 959.8ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-20 05:37:30,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398dc765-0a7d-48ca-bee1-b84fc50b4e34/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...