./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG --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 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 ............................................................................................................................................ 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_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG --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 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:18:27,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:18:27,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:18:27,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:18:27,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:18:27,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:18:27,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:18:27,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:18:27,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:18:27,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:18:27,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:18:27,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:18:27,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:18:27,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:18:27,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:18:27,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:18:27,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:18:27,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:18:27,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:18:27,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:18:27,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:18:27,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:18:27,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:18:27,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:18:27,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:18:27,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:18:27,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:18:27,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:18:27,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:18:27,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:18:27,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:18:27,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:18:27,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:18:27,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:18:27,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:18:27,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:18:27,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:18:27,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:18:27,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:18:27,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:18:27,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:18:27,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:18:27,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:18:27,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:18:27,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:18:27,316 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:18:27,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:18:27,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:18:27,317 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:18:27,317 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:18:27,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:18:27,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:18:27,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:18:27,320 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:18:27,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:18:27,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:18:27,321 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:18:27,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:18:27,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:18:27,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:18:27,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:18:27,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:18:27,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:18:27,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:18:27,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:18:27,325 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:18:27,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:18:27,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:18:27,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:18:27,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:18:27,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:18:27,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:18:27,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:18:27,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:18:27,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:18:27,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:18:27,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:18:27,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:18:27,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:18:27,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:18:27,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:18:27,332 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_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 [2021-10-29 05:18:27,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:18:27,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:18:27,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:18:27,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:18:27,688 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:18:27,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-29 05:18:27,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/bdd83f1ec/9c671a8124894c3fa09f00e46f7b9e43/FLAG0da77f13e [2021-10-29 05:18:28,484 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:18:28,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-29 05:18:28,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/bdd83f1ec/9c671a8124894c3fa09f00e46f7b9e43/FLAG0da77f13e [2021-10-29 05:18:28,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/bdd83f1ec/9c671a8124894c3fa09f00e46f7b9e43 [2021-10-29 05:18:28,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:18:28,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:18:28,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:18:28,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:18:28,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:18:28,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:18:28" (1/1) ... [2021-10-29 05:18:28,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5e27d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:28, skipping insertion in model container [2021-10-29 05:18:28,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:18:28" (1/1) ... [2021-10-29 05:18:28,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:18:28,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:18:29,251 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_75395622-efd1-4672-baf6-b0859d50e940/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2021-10-29 05:18:29,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:18:29,294 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) [2021-10-29 05:18:29,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@309d23c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:29, skipping insertion in model container [2021-10-29 05:18:29,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:18:29,295 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:18:29,298 INFO L168 Benchmark]: Toolchain (without parser) took 528.02 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 79.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:18:29,299 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:18:29,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.42 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 79.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:18:29,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.42 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 79.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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-b2eff8b [2021-10-29 05:18:32,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:18:32,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:18:32,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:18:32,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:18:32,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:18:32,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:18:32,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:18:32,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:18:32,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:18:32,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:18:32,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:18:32,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:18:32,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:18:32,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:18:32,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:18:32,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:18:32,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:18:32,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:18:32,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:18:32,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:18:32,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:18:32,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:18:32,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:18:32,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:18:32,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:18:32,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:18:32,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:18:32,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:18:32,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:18:32,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:18:32,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:18:32,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:18:32,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:18:32,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:18:32,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:18:32,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:18:32,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:18:32,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:18:32,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:18:32,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:18:32,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:18:32,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:18:32,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:18:32,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:18:32,352 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:18:32,352 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:18:32,352 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:18:32,353 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:18:32,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:18:32,353 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:18:32,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:18:32,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:18:32,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:18:32,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:18:32,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:18:32,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:18:32,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:18:32,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:18:32,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:18:32,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:18:32,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:18:32,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:18:32,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:18:32,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:18:32,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:18:32,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:18:32,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:18:32,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:18:32,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:18:32,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:18:32,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:18:32,360 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:18:32,361 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:18:32,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:18:32,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:18:32,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:18:32,362 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_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 [2021-10-29 05:18:32,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:18:32,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:18:32,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:18:32,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:18:32,874 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:18:32,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-29 05:18:32,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/d03b8f162/e2458f3d9c4b40dd82ec67979637c484/FLAGc1151c308 [2021-10-29 05:18:33,708 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:18:33,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-29 05:18:33,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/d03b8f162/e2458f3d9c4b40dd82ec67979637c484/FLAGc1151c308 [2021-10-29 05:18:33,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/data/d03b8f162/e2458f3d9c4b40dd82ec67979637c484 [2021-10-29 05:18:33,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:18:33,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:18:33,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:18:33,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:18:33,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:18:33,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:18:33" (1/1) ... [2021-10-29 05:18:33,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfbcdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:33, skipping insertion in model container [2021-10-29 05:18:33,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:18:33" (1/1) ... [2021-10-29 05:18:33,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:18:34,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:18:34,537 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_75395622-efd1-4672-baf6-b0859d50e940/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2021-10-29 05:18:34,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:18:34,625 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:18:34,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:18:34,733 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_75395622-efd1-4672-baf6-b0859d50e940/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2021-10-29 05:18:34,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:18:34,754 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:18:34,832 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_75395622-efd1-4672-baf6-b0859d50e940/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2021-10-29 05:18:34,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:18:34,893 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:18:34,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34 WrapperNode [2021-10-29 05:18:34,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:18:34,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:18:34,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:18:34,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:18:34,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:34,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:18:35,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:18:35,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:18:35,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:18:35,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:18:35,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:18:35,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:18:35,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:18:35,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (1/1) ... [2021-10-29 05:18:35,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:18:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:18:35,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:18:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:18:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:18:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:18:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:18:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:18:38,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:18:38,336 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-29 05:18:38,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:18:38 BoogieIcfgContainer [2021-10-29 05:18:38,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:18:38,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:18:38,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:18:38,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:18:38,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:18:33" (1/3) ... [2021-10-29 05:18:38,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f06a543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:18:38, skipping insertion in model container [2021-10-29 05:18:38,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:18:34" (2/3) ... [2021-10-29 05:18:38,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f06a543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:18:38, skipping insertion in model container [2021-10-29 05:18:38,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:18:38" (3/3) ... [2021-10-29 05:18:38,355 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2021-10-29 05:18:38,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:18:38,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:18:38,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:18:38,451 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 [2021-10-29 05:18:38,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:18:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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) [2021-10-29 05:18:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:18:38,480 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:38,481 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:38,482 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:38,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:38,489 INFO L85 PathProgramCache]: Analyzing trace with hash -370159664, now seen corresponding path program 1 times [2021-10-29 05:18:38,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:38,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325945036] [2021-10-29 05:18:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:38,507 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:38,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:38,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:18:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:38,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:18:38,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:38,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:38,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:38,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325945036] [2021-10-29 05:18:38,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325945036] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:38,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:38,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:18:38,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101033035] [2021-10-29 05:18:38,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:18:38,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:38,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:18:38,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:18:38,990 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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) [2021-10-29 05:18:39,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:39,026 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-10-29 05:18:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:18:39,027 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 [2021-10-29 05:18:39,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:39,040 INFO L225 Difference]: With dead ends: 240 [2021-10-29 05:18:39,040 INFO L226 Difference]: Without dead ends: 119 [2021-10-29 05:18:39,044 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:18:39,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-29 05:18:39,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-29 05:18:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5) internal successors, (174), 118 states have internal predecessors, (174), 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) [2021-10-29 05:18:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-29 05:18:39,100 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-10-29 05:18:39,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:39,100 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-29 05:18:39,101 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) [2021-10-29 05:18:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-29 05:18:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:18:39,103 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:39,103 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:39,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:39,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:39,305 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:39,306 INFO L85 PathProgramCache]: Analyzing trace with hash -37103251, now seen corresponding path program 1 times [2021-10-29 05:18:39,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:39,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012641567] [2021-10-29 05:18:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:39,308 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:39,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:39,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:39,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:18:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:39,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:18:39,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:39,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:39,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:39,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012641567] [2021-10-29 05:18:39,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012641567] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:39,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:39,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:18:39,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464332076] [2021-10-29 05:18:39,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:18:39,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:39,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:18:39,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:39,733 INFO L87 Difference]: Start difference. First operand 119 states and 174 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) [2021-10-29 05:18:39,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:39,755 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-10-29 05:18:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:18:39,756 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 [2021-10-29 05:18:39,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:39,757 INFO L225 Difference]: With dead ends: 119 [2021-10-29 05:18:39,757 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 05:18:39,759 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:39,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 05:18:39,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-29 05:18:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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) [2021-10-29 05:18:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-29 05:18:39,766 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-29 05:18:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:39,767 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-29 05:18:39,767 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) [2021-10-29 05:18:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-29 05:18:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:18:39,769 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:39,769 INFO L513 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] [2021-10-29 05:18:39,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:39,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:39,987 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:39,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:39,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2021-10-29 05:18:39,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:39,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405785554] [2021-10-29 05:18:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:40,019 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:40,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:40,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:40,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:18:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:40,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:18:40,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:40,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:40,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:40,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405785554] [2021-10-29 05:18:40,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405785554] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:40,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:40,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:18:40,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533135154] [2021-10-29 05:18:40,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:18:40,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:18:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:40,446 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-29 05:18:40,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:40,493 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-10-29 05:18:40,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:18:40,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 [2021-10-29 05:18:40,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:40,496 INFO L225 Difference]: With dead ends: 92 [2021-10-29 05:18:40,496 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 05:18:40,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:40,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 05:18:40,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-29 05:18:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2021-10-29 05:18:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-29 05:18:40,507 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-29 05:18:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:40,507 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-29 05:18:40,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-29 05:18:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-29 05:18:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:18:40,509 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:40,509 INFO L513 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] [2021-10-29 05:18:40,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:40,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:40,710 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:40,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2021-10-29 05:18:40,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:40,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541767987] [2021-10-29 05:18:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:40,712 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:40,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:40,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:40,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:18:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:40,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:18:40,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:41,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:41,125 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:41,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541767987] [2021-10-29 05:18:41,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541767987] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:41,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:41,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:18:41,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601520754] [2021-10-29 05:18:41,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:18:41,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:18:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:18:41,130 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-29 05:18:41,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:41,204 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-10-29 05:18:41,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:18:41,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 [2021-10-29 05:18:41,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:41,206 INFO L225 Difference]: With dead ends: 115 [2021-10-29 05:18:41,206 INFO L226 Difference]: Without dead ends: 72 [2021-10-29 05:18:41,207 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:18:41,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-29 05:18:41,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-29 05:18:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 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) [2021-10-29 05:18:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-10-29 05:18:41,218 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-10-29 05:18:41,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:41,218 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-10-29 05:18:41,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-29 05:18:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-10-29 05:18:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:18:41,220 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:41,220 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:41,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:41,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:41,442 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:41,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2021-10-29 05:18:41,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:41,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264285546] [2021-10-29 05:18:41,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:41,445 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:41,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:41,446 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:41,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:18:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:41,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:41,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:41,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:41,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:41,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264285546] [2021-10-29 05:18:41,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [264285546] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:41,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:41,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:18:41,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904699680] [2021-10-29 05:18:41,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:18:41,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:41,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:18:41,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:18:41,883 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-29 05:18:41,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:41,958 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-10-29 05:18:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:18:41,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-29 05:18:41,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:41,960 INFO L225 Difference]: With dead ends: 187 [2021-10-29 05:18:41,961 INFO L226 Difference]: Without dead ends: 123 [2021-10-29 05:18:41,961 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:18:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-29 05:18:41,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-10-29 05:18:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 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) [2021-10-29 05:18:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-29 05:18:41,973 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-10-29 05:18:41,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:41,974 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-29 05:18:41,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-29 05:18:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-10-29 05:18:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:18:41,975 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:41,975 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:41,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:42,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:42,189 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:42,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:42,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2021-10-29 05:18:42,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:42,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035303138] [2021-10-29 05:18:42,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:42,190 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:42,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:42,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:42,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:18:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:42,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:42,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:42,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:42,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:42,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035303138] [2021-10-29 05:18:42,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035303138] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:42,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:42,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:18:42,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280202733] [2021-10-29 05:18:42,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:18:42,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:42,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:18:42,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:18:42,787 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-10-29 05:18:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:43,272 INFO L93 Difference]: Finished difference Result 841 states and 1196 transitions. [2021-10-29 05:18:43,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:18:43,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 32 [2021-10-29 05:18:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:43,278 INFO L225 Difference]: With dead ends: 841 [2021-10-29 05:18:43,279 INFO L226 Difference]: Without dead ends: 771 [2021-10-29 05:18:43,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:18:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-10-29 05:18:43,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2021-10-29 05:18:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3783783783783783) internal successors, (255), 185 states have internal predecessors, (255), 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) [2021-10-29 05:18:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 255 transitions. [2021-10-29 05:18:43,351 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 255 transitions. Word has length 32 [2021-10-29 05:18:43,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:43,351 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 255 transitions. [2021-10-29 05:18:43,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-10-29 05:18:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 255 transitions. [2021-10-29 05:18:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:18:43,359 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:43,359 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:43,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:43,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:43,578 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:43,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:43,579 INFO L85 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2021-10-29 05:18:43,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:43,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362215407] [2021-10-29 05:18:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:43,580 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:43,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:43,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:18:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:43,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:18:43,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:43,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:44,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:44,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362215407] [2021-10-29 05:18:44,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362215407] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:44,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:44,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:18:44,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387747334] [2021-10-29 05:18:44,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:18:44,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:44,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:18:44,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:44,055 INFO L87 Difference]: Start difference. First operand 186 states and 255 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-29 05:18:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:44,155 INFO L93 Difference]: Finished difference Result 470 states and 656 transitions. [2021-10-29 05:18:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:18:44,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-29 05:18:44,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:44,160 INFO L225 Difference]: With dead ends: 470 [2021-10-29 05:18:44,160 INFO L226 Difference]: Without dead ends: 337 [2021-10-29 05:18:44,162 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:18:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-29 05:18:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 184. [2021-10-29 05:18:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.3715846994535519) internal successors, (251), 183 states have internal predecessors, (251), 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) [2021-10-29 05:18:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2021-10-29 05:18:44,192 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 33 [2021-10-29 05:18:44,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:44,192 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2021-10-29 05:18:44,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-29 05:18:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2021-10-29 05:18:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:18:44,195 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:44,195 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:44,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:44,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:44,403 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:44,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2021-10-29 05:18:44,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:44,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844218151] [2021-10-29 05:18:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:44,405 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:44,407 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:44,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:18:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:44,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:44,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:44,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:45,055 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:45,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844218151] [2021-10-29 05:18:45,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844218151] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:45,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:45,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:18:45,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953626405] [2021-10-29 05:18:45,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:18:45,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:45,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:18:45,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:18:45,058 INFO L87 Difference]: Start difference. First operand 184 states and 251 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 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) [2021-10-29 05:18:48,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:48,327 INFO L93 Difference]: Finished difference Result 519 states and 720 transitions. [2021-10-29 05:18:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:18:48,328 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 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 33 [2021-10-29 05:18:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:48,330 INFO L225 Difference]: With dead ends: 519 [2021-10-29 05:18:48,331 INFO L226 Difference]: Without dead ends: 341 [2021-10-29 05:18:48,331 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-29 05:18:48,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-10-29 05:18:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 155. [2021-10-29 05:18:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 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) [2021-10-29 05:18:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-10-29 05:18:48,354 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 33 [2021-10-29 05:18:48,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:48,355 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-10-29 05:18:48,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 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) [2021-10-29 05:18:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-10-29 05:18:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:18:48,356 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:48,356 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:48,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:48,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:48,569 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:48,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:48,570 INFO L85 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2021-10-29 05:18:48,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:48,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296615234] [2021-10-29 05:18:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:48,572 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:48,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:48,574 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:48,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:18:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:48,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:48,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:48,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:49,087 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:49,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296615234] [2021-10-29 05:18:49,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296615234] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:49,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:49,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:18:49,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137161799] [2021-10-29 05:18:49,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:18:49,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:49,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:18:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:18:49,090 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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) [2021-10-29 05:18:49,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:49,180 INFO L93 Difference]: Finished difference Result 415 states and 551 transitions. [2021-10-29 05:18:49,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:18:49,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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 33 [2021-10-29 05:18:49,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:49,183 INFO L225 Difference]: With dead ends: 415 [2021-10-29 05:18:49,183 INFO L226 Difference]: Without dead ends: 266 [2021-10-29 05:18:49,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:18:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-29 05:18:49,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 155. [2021-10-29 05:18:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.2987012987012987) internal successors, (200), 154 states have internal predecessors, (200), 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) [2021-10-29 05:18:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions. [2021-10-29 05:18:49,218 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 33 [2021-10-29 05:18:49,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:49,218 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions. [2021-10-29 05:18:49,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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) [2021-10-29 05:18:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions. [2021-10-29 05:18:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 05:18:49,219 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:49,220 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:49,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:49,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:49,433 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:49,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:49,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1874280989, now seen corresponding path program 1 times [2021-10-29 05:18:49,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:49,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533708870] [2021-10-29 05:18:49,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:49,434 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:49,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:49,435 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:49,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:18:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:49,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:18:49,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:18:49,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:18:50,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:50,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533708870] [2021-10-29 05:18:50,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533708870] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:50,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:50,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:18:50,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535757472] [2021-10-29 05:18:50,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:18:50,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:50,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:18:50,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:18:50,171 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-10-29 05:18:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:51,800 INFO L93 Difference]: Finished difference Result 519 states and 694 transitions. [2021-10-29 05:18:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:18:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 53 [2021-10-29 05:18:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:51,804 INFO L225 Difference]: With dead ends: 519 [2021-10-29 05:18:51,805 INFO L226 Difference]: Without dead ends: 417 [2021-10-29 05:18:51,805 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:18:51,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2021-10-29 05:18:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 351. [2021-10-29 05:18:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.3114285714285714) internal successors, (459), 350 states have internal predecessors, (459), 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) [2021-10-29 05:18:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 459 transitions. [2021-10-29 05:18:51,866 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 459 transitions. Word has length 53 [2021-10-29 05:18:51,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:51,866 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 459 transitions. [2021-10-29 05:18:51,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-10-29 05:18:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 459 transitions. [2021-10-29 05:18:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 05:18:51,868 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:51,868 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:51,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:52,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:52,088 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:52,088 INFO L85 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2021-10-29 05:18:52,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:52,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734087755] [2021-10-29 05:18:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:52,089 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:52,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:52,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:18:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:52,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:52,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:52,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:52,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:52,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734087755] [2021-10-29 05:18:52,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734087755] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:52,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:52,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:18:52,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684381752] [2021-10-29 05:18:52,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:18:52,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:52,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:18:52,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:18:52,930 INFO L87 Difference]: Start difference. First operand 351 states and 459 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-10-29 05:18:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:53,276 INFO L93 Difference]: Finished difference Result 1844 states and 2379 transitions. [2021-10-29 05:18:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:18:53,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2021-10-29 05:18:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:53,289 INFO L225 Difference]: With dead ends: 1844 [2021-10-29 05:18:53,289 INFO L226 Difference]: Without dead ends: 1499 [2021-10-29 05:18:53,290 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:18:53,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2021-10-29 05:18:53,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 694. [2021-10-29 05:18:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 693 states have (on average 1.274170274170274) internal successors, (883), 693 states have internal predecessors, (883), 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) [2021-10-29 05:18:53,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 883 transitions. [2021-10-29 05:18:53,451 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 883 transitions. Word has length 53 [2021-10-29 05:18:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:53,452 INFO L470 AbstractCegarLoop]: Abstraction has 694 states and 883 transitions. [2021-10-29 05:18:53,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-10-29 05:18:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 883 transitions. [2021-10-29 05:18:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 05:18:53,454 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:53,454 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:53,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:53,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:53,675 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:53,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2021-10-29 05:18:53,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:53,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497441633] [2021-10-29 05:18:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:53,677 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:53,678 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:53,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:18:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:54,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:18:54,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:18:54,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:18:54,541 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:54,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497441633] [2021-10-29 05:18:54,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497441633] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:18:54,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [136028183] [2021-10-29 05:18:54,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:54,542 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:18:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:18:54,548 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:18:54,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-29 05:18:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:54,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:54,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:18:55,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:18:55,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [136028183] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:55,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:18:55,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-10-29 05:18:55,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924689530] [2021-10-29 05:18:55,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:18:55,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:18:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:18:55,306 INFO L87 Difference]: Start difference. First operand 694 states and 883 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-10-29 05:18:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:55,551 INFO L93 Difference]: Finished difference Result 1588 states and 2039 transitions. [2021-10-29 05:18:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:18:55,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 54 [2021-10-29 05:18:55,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:55,561 INFO L225 Difference]: With dead ends: 1588 [2021-10-29 05:18:55,561 INFO L226 Difference]: Without dead ends: 990 [2021-10-29 05:18:55,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:18:55,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2021-10-29 05:18:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 718. [2021-10-29 05:18:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 717 states have (on average 1.2649930264993026) internal successors, (907), 717 states have internal predecessors, (907), 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) [2021-10-29 05:18:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 907 transitions. [2021-10-29 05:18:55,731 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 907 transitions. Word has length 54 [2021-10-29 05:18:55,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:55,733 INFO L470 AbstractCegarLoop]: Abstraction has 718 states and 907 transitions. [2021-10-29 05:18:55,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-10-29 05:18:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 907 transitions. [2021-10-29 05:18:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 05:18:55,735 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:55,736 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:18:55,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:55,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:56,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:56,140 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:56,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:56,141 INFO L85 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2021-10-29 05:18:56,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:56,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826949958] [2021-10-29 05:18:56,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:56,142 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:56,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:56,145 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:56,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 05:18:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:56,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:56,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:18:56,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:18:56,967 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:56,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826949958] [2021-10-29 05:18:56,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826949958] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:18:56,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2008701233] [2021-10-29 05:18:56,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:56,968 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:18:56,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:18:56,971 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:18:56,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-10-29 05:18:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:57,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:18:57,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:18:57,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:18:57,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2008701233] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:18:57,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170743197] [2021-10-29 05:18:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:57,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:18:57,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:18:57,932 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:18:57,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-29 05:18:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:58,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:18:58,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:18:58,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:18:58,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170743197] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:18:58,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 05:18:58,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-29 05:18:58,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417713990] [2021-10-29 05:18:58,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 05:18:58,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:58,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 05:18:58,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:18:58,690 INFO L87 Difference]: Start difference. First operand 718 states and 907 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 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) [2021-10-29 05:19:00,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:00,345 INFO L93 Difference]: Finished difference Result 1758 states and 2207 transitions. [2021-10-29 05:19:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:19:00,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 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 54 [2021-10-29 05:19:00,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:00,353 INFO L225 Difference]: With dead ends: 1758 [2021-10-29 05:19:00,353 INFO L226 Difference]: Without dead ends: 1046 [2021-10-29 05:19:00,355 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:19:00,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-29 05:19:00,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 633. [2021-10-29 05:19:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 632 states have (on average 1.231012658227848) internal successors, (778), 632 states have internal predecessors, (778), 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) [2021-10-29 05:19:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 778 transitions. [2021-10-29 05:19:00,479 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 778 transitions. Word has length 54 [2021-10-29 05:19:00,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:00,479 INFO L470 AbstractCegarLoop]: Abstraction has 633 states and 778 transitions. [2021-10-29 05:19:00,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 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) [2021-10-29 05:19:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 778 transitions. [2021-10-29 05:19:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 05:19:00,481 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:00,481 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:19:00,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:00,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:00,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:01,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:19:01,095 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:19:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1497135604, now seen corresponding path program 1 times [2021-10-29 05:19:01,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:19:01,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103744691] [2021-10-29 05:19:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:01,096 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:19:01,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:19:01,097 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:19:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-29 05:19:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:01,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:19:01,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:19:01,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:19:01,910 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:19:01,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103744691] [2021-10-29 05:19:01,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103744691] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:19:01,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:19:01,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:19:01,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429272207] [2021-10-29 05:19:01,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:19:01,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:19:01,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:19:01,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:19:01,913 INFO L87 Difference]: Start difference. First operand 633 states and 778 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-10-29 05:19:03,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:03,910 INFO L93 Difference]: Finished difference Result 2455 states and 3007 transitions. [2021-10-29 05:19:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 05:19:03,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 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 55 [2021-10-29 05:19:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:03,922 INFO L225 Difference]: With dead ends: 2455 [2021-10-29 05:19:03,922 INFO L226 Difference]: Without dead ends: 1914 [2021-10-29 05:19:03,924 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-29 05:19:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2021-10-29 05:19:04,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 811. [2021-10-29 05:19:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 810 states have (on average 1.2209876543209877) internal successors, (989), 810 states have internal predecessors, (989), 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) [2021-10-29 05:19:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 989 transitions. [2021-10-29 05:19:04,082 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 989 transitions. Word has length 55 [2021-10-29 05:19:04,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:04,083 INFO L470 AbstractCegarLoop]: Abstraction has 811 states and 989 transitions. [2021-10-29 05:19:04,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-10-29 05:19:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 989 transitions. [2021-10-29 05:19:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 05:19:04,084 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:04,084 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:19:04,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:04,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:19:04,299 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:19:04,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:04,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1078461655, now seen corresponding path program 1 times [2021-10-29 05:19:04,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:19:04,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043379864] [2021-10-29 05:19:04,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:04,301 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:19:04,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:19:04,302 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:19:04,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-29 05:19:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:04,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:19:04,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:19:05,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:19:05,371 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:19:05,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043379864] [2021-10-29 05:19:05,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043379864] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:19:05,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1769306467] [2021-10-29 05:19:05,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:05,372 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:19:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:19:05,379 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:19:05,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-10-29 05:19:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:06,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:19:06,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:19:06,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:19:06,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1769306467] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:19:06,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372125378] [2021-10-29 05:19:06,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:06,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:19:06,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:19:06,546 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:19:06,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-29 05:19:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:07,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:19:07,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:19:07,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:19:07,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372125378] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:19:07,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 05:19:07,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-29 05:19:07,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335370411] [2021-10-29 05:19:07,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:19:07,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:19:07,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:19:07,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:19:07,723 INFO L87 Difference]: Start difference. First operand 811 states and 989 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 9 states have internal predecessors, (99), 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) [2021-10-29 05:19:11,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:11,030 INFO L93 Difference]: Finished difference Result 5152 states and 6370 transitions. [2021-10-29 05:19:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-29 05:19:11,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 9 states have internal predecessors, (99), 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 55 [2021-10-29 05:19:11,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:11,062 INFO L225 Difference]: With dead ends: 5152 [2021-10-29 05:19:11,062 INFO L226 Difference]: Without dead ends: 4433 [2021-10-29 05:19:11,065 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2021-10-29 05:19:11,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2021-10-29 05:19:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 986. [2021-10-29 05:19:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 985 states have (on average 1.233502538071066) internal successors, (1215), 985 states have internal predecessors, (1215), 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) [2021-10-29 05:19:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1215 transitions. [2021-10-29 05:19:11,378 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1215 transitions. Word has length 55 [2021-10-29 05:19:11,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:11,378 INFO L470 AbstractCegarLoop]: Abstraction has 986 states and 1215 transitions. [2021-10-29 05:19:11,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 9 states have internal predecessors, (99), 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) [2021-10-29 05:19:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1215 transitions. [2021-10-29 05:19:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-10-29 05:19:11,386 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:11,387 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:19:11,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:11,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:11,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:12,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:19:12,011 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:19:12,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1906713815, now seen corresponding path program 1 times [2021-10-29 05:19:12,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:19:12,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540156284] [2021-10-29 05:19:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:12,013 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:19:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:19:12,014 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:19:12,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-29 05:19:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:12,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:19:12,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-29 05:19:12,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-29 05:19:13,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:19:13,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540156284] [2021-10-29 05:19:13,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [540156284] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:19:13,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:19:13,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:19:13,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241939163] [2021-10-29 05:19:13,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:19:13,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:19:13,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:19:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:19:13,174 INFO L87 Difference]: Start difference. First operand 986 states and 1215 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2021-10-29 05:19:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:13,354 INFO L93 Difference]: Finished difference Result 2102 states and 2600 transitions. [2021-10-29 05:19:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:19:13,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 96 [2021-10-29 05:19:13,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:13,359 INFO L225 Difference]: With dead ends: 2102 [2021-10-29 05:19:13,360 INFO L226 Difference]: Without dead ends: 1122 [2021-10-29 05:19:13,361 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:19:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2021-10-29 05:19:13,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 936. [2021-10-29 05:19:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 935 states have (on average 1.2310160427807486) internal successors, (1151), 935 states have internal predecessors, (1151), 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) [2021-10-29 05:19:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1151 transitions. [2021-10-29 05:19:13,560 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1151 transitions. Word has length 96 [2021-10-29 05:19:13,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:13,560 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1151 transitions. [2021-10-29 05:19:13,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2021-10-29 05:19:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1151 transitions. [2021-10-29 05:19:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 05:19:13,563 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:13,564 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:19:13,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:13,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:19:13,778 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:19:13,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash 103276133, now seen corresponding path program 1 times [2021-10-29 05:19:13,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:19:13,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327360690] [2021-10-29 05:19:13,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:13,779 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:19:13,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:19:13,780 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:19:13,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-29 05:19:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:14,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:19:14,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-29 05:19:14,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-29 05:19:15,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:19:15,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327360690] [2021-10-29 05:19:15,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327360690] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:19:15,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1347031691] [2021-10-29 05:19:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:15,168 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:19:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:19:15,169 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:19:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-10-29 05:19:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:16,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 05:19:16,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 05:19:16,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 05:19:17,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1347031691] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:19:17,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100400991] [2021-10-29 05:19:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:17,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:19:17,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:19:17,018 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:19:17,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-29 05:19:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:19:17,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:19:17,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 05:19:18,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-29 05:19:18,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100400991] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-29 05:19:18,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-29 05:19:18,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2021-10-29 05:19:18,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168109586] [2021-10-29 05:19:18,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:19:18,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:19:18,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:19:18,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-10-29 05:19:18,849 INFO L87 Difference]: Start difference. First operand 936 states and 1151 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-10-29 05:19:23,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:23,098 INFO L93 Difference]: Finished difference Result 2941 states and 3657 transitions. [2021-10-29 05:19:23,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 05:19:23,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 118 [2021-10-29 05:19:23,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:23,111 INFO L225 Difference]: With dead ends: 2941 [2021-10-29 05:19:23,111 INFO L226 Difference]: Without dead ends: 2011 [2021-10-29 05:19:23,114 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2021-10-29 05:19:23,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2021-10-29 05:19:23,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1127. [2021-10-29 05:19:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1126 states have (on average 1.2344582593250444) internal successors, (1390), 1126 states have internal predecessors, (1390), 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) [2021-10-29 05:19:23,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1390 transitions. [2021-10-29 05:19:23,373 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1390 transitions. Word has length 118 [2021-10-29 05:19:23,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:23,374 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 1390 transitions. [2021-10-29 05:19:23,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-10-29 05:19:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1390 transitions. [2021-10-29 05:19:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 05:19:23,378 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:23,379 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:19:23,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-29 05:19:23,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-10-29 05:19:23,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-10-29 05:19:23,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:19:23,995 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:19:23,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash 76923233, now seen corresponding path program 2 times [2021-10-29 05:19:23,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:19:23,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105310405] [2021-10-29 05:19:23,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 05:19:23,997 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:19:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:19:23,998 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:19:24,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-10-29 05:19:26,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-29 05:19:26,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 05:19:26,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:19:26,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:19:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-29 05:19:26,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:19:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-29 05:19:26,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:19:26,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105310405] [2021-10-29 05:19:26,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105310405] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:19:26,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:19:26,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:19:26,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749051817] [2021-10-29 05:19:26,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:19:26,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:19:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:19:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:19:26,628 INFO L87 Difference]: Start difference. First operand 1127 states and 1390 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 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) [2021-10-29 05:19:26,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:26,710 INFO L93 Difference]: Finished difference Result 1431 states and 1754 transitions. [2021-10-29 05:19:26,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:19:26,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 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 118 [2021-10-29 05:19:26,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:26,711 INFO L225 Difference]: With dead ends: 1431 [2021-10-29 05:19:26,711 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:19:26,713 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:19:26,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:19:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:19:26,714 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) [2021-10-29 05:19:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:19:26,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2021-10-29 05:19:26,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:26,714 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:19:26,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 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) [2021-10-29 05:19:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:19:26,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:19:26,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:19:26,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:19:26,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:19:26,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:26,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:19:26,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:19:26,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:26,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:26,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:26,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:26,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:28,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:29,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:29,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:29,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:30,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:19:42,506 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2021-10-29 05:19:42,507 INFO L857 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2021-10-29 05:19:42,507 INFO L853 garLoopResultBuilder]: At program point L730-1(lines 730 736) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse3 .cse11 .cse5 .cse6 .cse12) (and .cse1 .cse5 .cse6 .cse7 .cse13 .cse9 .cse10 .cse12) (and .cse1 .cse3 .cse5 .cse6 .cse7 .cse9 .cse10 .cse12) (and .cse1 .cse11 .cse5 .cse6 .cse13 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse5 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 .cse8))) [2021-10-29 05:19:42,508 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-29 05:19:42,508 INFO L857 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-10-29 05:19:42,508 INFO L857 garLoopResultBuilder]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2021-10-29 05:19:42,508 INFO L853 garLoopResultBuilder]: At program point L897(lines 892 900) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-29 05:19:42,508 INFO L853 garLoopResultBuilder]: At program point L897-1(lines 892 900) the Hoare annotation is: false [2021-10-29 05:19:42,509 INFO L853 garLoopResultBuilder]: At program point L897-2(lines 892 900) the Hoare annotation is: false [2021-10-29 05:19:42,509 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2021-10-29 05:19:42,509 INFO L853 garLoopResultBuilder]: At program point L435-1(lines 1 982) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse5 .cse6 .cse7 .cse11 .cse9 .cse10 .cse12) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse2 .cse3 .cse4 .cse13 .cse5 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 .cse8 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse13 .cse5 .cse6 .cse11 .cse12))) [2021-10-29 05:19:42,509 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 435 448) no Hoare annotation was computed. [2021-10-29 05:19:42,510 INFO L853 garLoopResultBuilder]: At program point L435-3(lines 1 982) the Hoare annotation is: false [2021-10-29 05:19:42,510 INFO L857 garLoopResultBuilder]: For program point L435-4(lines 435 448) no Hoare annotation was computed. [2021-10-29 05:19:42,510 INFO L853 garLoopResultBuilder]: At program point L435-5(lines 1 982) the Hoare annotation is: false [2021-10-29 05:19:42,510 INFO L853 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-29 05:19:42,511 INFO L853 garLoopResultBuilder]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2021-10-29 05:19:42,511 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2021-10-29 05:19:42,511 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 969) no Hoare annotation was computed. [2021-10-29 05:19:42,511 INFO L857 garLoopResultBuilder]: For program point L965-2(lines 965 969) no Hoare annotation was computed. [2021-10-29 05:19:42,511 INFO L857 garLoopResultBuilder]: For program point L965-3(lines 965 969) no Hoare annotation was computed. [2021-10-29 05:19:42,511 INFO L857 garLoopResultBuilder]: For program point L965-5(lines 965 969) no Hoare annotation was computed. [2021-10-29 05:19:42,512 INFO L857 garLoopResultBuilder]: For program point L965-6(lines 965 969) no Hoare annotation was computed. [2021-10-29 05:19:42,512 INFO L857 garLoopResultBuilder]: For program point L965-8(lines 965 969) no Hoare annotation was computed. [2021-10-29 05:19:42,512 INFO L853 garLoopResultBuilder]: At program point L503(lines 498 506) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (not .cse3)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse10 .cse5 .cse6 .cse11 .cse8 .cse9 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse13 .cse5 .cse14 .cse6 .cse7) (and .cse1 .cse13 .cse10 .cse5 .cse14 .cse6 .cse11 .cse12)))) [2021-10-29 05:19:42,512 INFO L853 garLoopResultBuilder]: At program point L503-1(lines 498 506) the Hoare annotation is: false [2021-10-29 05:19:42,512 INFO L853 garLoopResultBuilder]: At program point L503-2(lines 498 506) the Hoare annotation is: false [2021-10-29 05:19:42,513 INFO L853 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: false [2021-10-29 05:19:42,513 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2021-10-29 05:19:42,513 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2021-10-29 05:19:42,513 INFO L857 garLoopResultBuilder]: For program point L439-2(lines 439 445) no Hoare annotation was computed. [2021-10-29 05:19:42,513 INFO L857 garLoopResultBuilder]: For program point L439-4(lines 439 445) no Hoare annotation was computed. [2021-10-29 05:19:42,513 INFO L857 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2021-10-29 05:19:42,514 INFO L857 garLoopResultBuilder]: For program point L704-1(line 704) no Hoare annotation was computed. [2021-10-29 05:19:42,514 INFO L857 garLoopResultBuilder]: For program point L704-2(line 704) no Hoare annotation was computed. [2021-10-29 05:19:42,514 INFO L853 garLoopResultBuilder]: At program point L971(lines 956 974) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse11 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))) [2021-10-29 05:19:42,514 INFO L853 garLoopResultBuilder]: At program point L971-1(lines 956 974) the Hoare annotation is: false [2021-10-29 05:19:42,514 INFO L853 garLoopResultBuilder]: At program point L971-2(lines 956 974) the Hoare annotation is: false [2021-10-29 05:19:42,515 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2021-10-29 05:19:42,515 INFO L853 garLoopResultBuilder]: At program point L740-1(lines 740 746) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse5 .cse6 .cse8 .cse9) (and .cse1 .cse5 .cse6 .cse10 .cse8 .cse9) (and .cse1 .cse3 .cse11 .cse5 .cse6 .cse9) (and .cse1 .cse11 .cse5 .cse6 .cse10 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse7))) [2021-10-29 05:19:42,515 INFO L853 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: false [2021-10-29 05:19:42,515 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-29 05:19:42,515 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-10-29 05:19:42,516 INFO L857 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2021-10-29 05:19:42,516 INFO L857 garLoopResultBuilder]: For program point L543-2(lines 543 549) no Hoare annotation was computed. [2021-10-29 05:19:42,516 INFO L857 garLoopResultBuilder]: For program point L543-3(lines 543 549) no Hoare annotation was computed. [2021-10-29 05:19:42,516 INFO L857 garLoopResultBuilder]: For program point L543-4(lines 543 549) no Hoare annotation was computed. [2021-10-29 05:19:42,516 INFO L857 garLoopResultBuilder]: For program point L543-5(lines 543 549) no Hoare annotation was computed. [2021-10-29 05:19:42,517 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-10-29 05:19:42,517 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2021-10-29 05:19:42,517 INFO L857 garLoopResultBuilder]: For program point L579-1(lines 786 792) no Hoare annotation was computed. [2021-10-29 05:19:42,517 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2021-10-29 05:19:42,517 INFO L857 garLoopResultBuilder]: For program point L844-1(lines 844 861) no Hoare annotation was computed. [2021-10-29 05:19:42,517 INFO L857 garLoopResultBuilder]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2021-10-29 05:19:42,518 INFO L853 garLoopResultBuilder]: At program point L548(lines 539 552) the Hoare annotation is: false [2021-10-29 05:19:42,518 INFO L853 garLoopResultBuilder]: At program point L548-1(lines 539 552) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse9 .cse6) (and .cse0 .cse8 .cse3 .cse4 .cse9 .cse7 .cse6))) [2021-10-29 05:19:42,518 INFO L853 garLoopResultBuilder]: At program point L548-2(lines 539 552) the Hoare annotation is: false [2021-10-29 05:19:42,518 INFO L853 garLoopResultBuilder]: At program point L548-3(lines 539 552) the Hoare annotation is: false [2021-10-29 05:19:42,518 INFO L853 garLoopResultBuilder]: At program point L548-4(lines 539 552) the Hoare annotation is: false [2021-10-29 05:19:42,519 INFO L853 garLoopResultBuilder]: At program point L548-5(lines 539 552) the Hoare annotation is: false [2021-10-29 05:19:42,519 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:19:42,519 INFO L857 garLoopResultBuilder]: For program point L946(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,519 INFO L857 garLoopResultBuilder]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,519 INFO L857 garLoopResultBuilder]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-9(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-11(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-12(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-14(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,520 INFO L857 garLoopResultBuilder]: For program point L946-15(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L946-17(lines 946 950) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L848-1(lines 848 856) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L860 garLoopResultBuilder]: At program point L651-1(lines 651 658) the Hoare annotation is: true [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L818-1(lines 818 835) no Hoare annotation was computed. [2021-10-29 05:19:42,521 INFO L857 garLoopResultBuilder]: For program point L818-2(lines 818 835) no Hoare annotation was computed. [2021-10-29 05:19:42,522 INFO L857 garLoopResultBuilder]: For program point L818-3(lines 818 835) no Hoare annotation was computed. [2021-10-29 05:19:42,522 INFO L857 garLoopResultBuilder]: For program point L818-4(lines 818 835) no Hoare annotation was computed. [2021-10-29 05:19:42,522 INFO L857 garLoopResultBuilder]: For program point L818-5(lines 818 835) no Hoare annotation was computed. [2021-10-29 05:19:42,522 INFO L853 garLoopResultBuilder]: At program point L786(lines 785 804) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse7 .cse0 .cse8 .cse9 .cse2 .cse3 .cse6 .cse10 .cse4) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse5) (and .cse7 .cse0 .cse8 .cse9 .cse11 .cse2 .cse3 .cse6 .cse10) (and .cse0 .cse11 .cse2 .cse3 .cse6 .cse5))) [2021-10-29 05:19:42,522 INFO L857 garLoopResultBuilder]: For program point L786-1(lines 786 792) no Hoare annotation was computed. [2021-10-29 05:19:42,522 INFO L853 garLoopResultBuilder]: At program point L786-2(lines 785 804) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L687(lines 1 982) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L786-3(lines 785 804) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L952(lines 937 955) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L952-1(lines 937 955) the Hoare annotation is: (let ((.cse10 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32))) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse10 .cse11 .cse4 .cse5 .cse12 .cse13 .cse14 .cse15 .cse9) (and .cse1 .cse10 .cse4 .cse5 .cse12 .cse13 .cse8 .cse14 .cse15 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse9))) [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L952-3(lines 937 955) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L952-4(lines 937 955) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L853 garLoopResultBuilder]: At program point L952-5(lines 937 955) the Hoare annotation is: false [2021-10-29 05:19:42,523 INFO L857 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L822-1(lines 822 830) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L822-3(lines 822 830) no Hoare annotation was computed. [2021-10-29 05:19:42,524 INFO L857 garLoopResultBuilder]: For program point L822-4(lines 822 830) no Hoare annotation was computed. [2021-10-29 05:19:42,525 INFO L857 garLoopResultBuilder]: For program point L822-5(lines 822 830) no Hoare annotation was computed. [2021-10-29 05:19:42,525 INFO L853 garLoopResultBuilder]: At program point L624(lines 620 626) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:19:42,525 INFO L853 garLoopResultBuilder]: At program point L558(lines 553 561) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-29 05:19:42,525 INFO L853 garLoopResultBuilder]: At program point L558-1(lines 553 561) the Hoare annotation is: false [2021-10-29 05:19:42,525 INFO L853 garLoopResultBuilder]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2021-10-29 05:19:42,525 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2021-10-29 05:19:42,525 INFO L853 garLoopResultBuilder]: At program point L758-2(lines 786 792) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse5 .cse6 .cse8 .cse9) (and .cse1 .cse5 .cse6 .cse10 .cse8 .cse9) (and .cse1 .cse3 .cse11 .cse5 .cse6 .cse9) (and .cse1 .cse11 .cse5 .cse6 .cse10 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse7))) [2021-10-29 05:19:42,525 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:19:42,525 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2021-10-29 05:19:42,526 INFO L860 garLoopResultBuilder]: At program point L660(lines 641 663) the Hoare annotation is: true [2021-10-29 05:19:42,526 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2021-10-29 05:19:42,526 INFO L857 garLoopResultBuilder]: For program point L429-2(lines 429 449) no Hoare annotation was computed. [2021-10-29 05:19:42,526 INFO L857 garLoopResultBuilder]: For program point L429-4(lines 429 449) no Hoare annotation was computed. [2021-10-29 05:19:42,526 INFO L853 garLoopResultBuilder]: At program point L793(lines 793 799) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse6 .cse9 .cse8 .cse10) (and .cse1 .cse11 .cse5 .cse6 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse7))) [2021-10-29 05:19:42,526 INFO L853 garLoopResultBuilder]: At program point L793-1(lines 793 799) the Hoare annotation is: false [2021-10-29 05:19:42,526 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 793 799) the Hoare annotation is: false [2021-10-29 05:19:42,526 INFO L853 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:19:42,530 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:19:42,532 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:19:42,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:19:42 BoogieIcfgContainer [2021-10-29 05:19:42,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:19:42,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:19:42,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:19:42,612 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:19:42,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:18:38" (3/4) ... [2021-10-29 05:19:42,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:19:42,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:19:42,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:19:42,644 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:19:42,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:19:42,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:19:42,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:19:42,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:19:42,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:19:42,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:19:42,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:19:42,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-29 05:19:42,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-29 05:19:42,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-29 05:19:42,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:19:42,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-29 05:19:42,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:19:42,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-29 05:19:42,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:19:42,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) [2021-10-29 05:19:42,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) [2021-10-29 05:19:42,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:19:42,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 1bv32 == \result [2021-10-29 05:19:42,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:19:42,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:19:42,747 INFO L168 Benchmark]: Toolchain (without parser) took 68774.01 ms. Allocated memory was 54.5 MB in the beginning and 297.8 MB in the end (delta: 243.3 MB). Free memory was 31.7 MB in the beginning and 145.0 MB in the end (delta: -113.3 MB). Peak memory consumption was 129.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,748 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:19:42,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.22 ms. Allocated memory is still 54.5 MB. Free memory was 31.5 MB in the beginning and 22.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.63 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 22.2 MB in the beginning and 47.0 MB in the end (delta: -24.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,749 INFO L168 Benchmark]: Boogie Preprocessor took 94.24 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 44.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,750 INFO L168 Benchmark]: RCFGBuilder took 3193.02 ms. Allocated memory is still 67.1 MB. Free memory was 44.1 MB in the beginning and 41.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,750 INFO L168 Benchmark]: TraceAbstraction took 64270.47 ms. Allocated memory was 67.1 MB in the beginning and 297.8 MB in the end (delta: 230.7 MB). Free memory was 41.1 MB in the beginning and 155.5 MB in the end (delta: -114.4 MB). Peak memory consumption was 195.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,751 INFO L168 Benchmark]: Witness Printer took 133.95 ms. Allocated memory is still 297.8 MB. Free memory was 155.5 MB in the beginning and 145.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 918.22 ms. Allocated memory is still 54.5 MB. Free memory was 31.5 MB in the beginning and 22.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 153.63 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 22.2 MB in the beginning and 47.0 MB in the end (delta: -24.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.24 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 44.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3193.02 ms. Allocated memory is still 67.1 MB. Free memory was 44.1 MB in the beginning and 41.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 64270.47 ms. Allocated memory was 67.1 MB in the beginning and 297.8 MB in the end (delta: 230.7 MB). Free memory was 41.1 MB in the beginning and 155.5 MB in the end (delta: -114.4 MB). Peak memory consumption was 195.5 MB. Max. memory is 16.1 GB. * Witness Printer took 133.95 ms. Allocated memory is still 297.8 MB. Free memory was 155.5 MB in the beginning and 145.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 704]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 704]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 704]: 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, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 64.0s, OverallIterations: 18, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2057 SDtfs, 5304 SDslu, 5391 SDs, 0 SdLazy, 890 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2868 GetRequests, 2704 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1127occurred in iteration=17, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 8260 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 169 NumberOfFragments, 1427 HoareAnnotationTreeSize, 46 FomulaSimplifications, 108022032 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 46 FomulaSimplificationsInter, 10363020 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 1414 NumberOfCodeBlocks, 1414 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2778 ConstructedInterpolants, 0 QuantifiedInterpolants, 5891 SizeOfPredicates, 66 NumberOfNonLiveVariables, 6206 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 50 InterpolantComputations, 31 PerfectInterpolantSequences, 1532/1966 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: 651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: ((((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 0bv32) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-29 05:19:42,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75395622-efd1-4672-baf6-b0859d50e940/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...