./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE --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 a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 ............................................................................................................................................ 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_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE --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 a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:35:24,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:35:24,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:35:24,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:35:24,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:35:24,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:35:24,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:35:24,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:35:24,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:35:24,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:35:24,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:35:24,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:35:24,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:35:24,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:35:24,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:35:24,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:35:24,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:35:24,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:35:24,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:35:24,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:35:24,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:35:24,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:35:24,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:35:24,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:35:24,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:35:24,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:35:24,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:35:24,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:35:24,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:35:24,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:35:24,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:35:24,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:35:24,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:35:24,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:35:24,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:35:24,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:35:24,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:35:24,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:35:24,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:35:24,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:35:24,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:35:24,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:35:24,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:35:24,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:35:24,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:35:24,269 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:35:24,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:35:24,270 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:35:24,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:35:24,270 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:35:24,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:35:24,277 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:35:24,277 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:35:24,277 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:35:24,278 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:35:24,278 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:35:24,278 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:35:24,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:35:24,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:35:24,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:35:24,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:35:24,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:35:24,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:35:24,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:35:24,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:35:24,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:35:24,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:35:24,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:35:24,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:35:24,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:35:24,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:35:24,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:35:24,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:24,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:35:24,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:35:24,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:35:24,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:35:24,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:35:24,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:35:24,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:35:24,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:35:24,291 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_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 [2021-10-24 10:35:24,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:35:24,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:35:24,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:35:24,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:35:24,615 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:35:24,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-24 10:35:24,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/7c310662a/62acff25ee4f431ea27b9940fa28549d/FLAG2ab43fd7f [2021-10-24 10:35:25,237 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:35:25,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-24 10:35:25,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/7c310662a/62acff25ee4f431ea27b9940fa28549d/FLAG2ab43fd7f [2021-10-24 10:35:25,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/7c310662a/62acff25ee4f431ea27b9940fa28549d [2021-10-24 10:35:25,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:35:25,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:35:25,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:25,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:35:25,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:35:25,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:25" (1/1) ... [2021-10-24 10:35:25,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77674dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:25, skipping insertion in model container [2021-10-24 10:35:25,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:25" (1/1) ... [2021-10-24 10:35:25,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:35:25,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:25,802 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_022ec124-d454-452c-bdea-cb08071f987e/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-24 10:35:25,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:25,933 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) [2021-10-24 10:35:25,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7773eca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:25, skipping insertion in model container [2021-10-24 10:35:25,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:25,942 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:35:25,944 INFO L168 Benchmark]: Toolchain (without parser) took 382.82 ms. Allocated memory is still 102.8 MB. Free memory was 59.9 MB in the beginning and 74.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:25,945 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory was 77.4 MB in the beginning and 77.4 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:35:25,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.15 ms. Allocated memory is still 102.8 MB. Free memory was 59.7 MB in the beginning and 74.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:25,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory was 77.4 MB in the beginning and 77.4 MB in the end (delta: 62.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.15 ms. Allocated memory is still 102.8 MB. Free memory was 59.7 MB in the beginning and 74.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 574]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:35:28,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:35:28,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:35:28,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:35:28,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:35:28,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:35:28,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:35:28,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:35:28,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:35:28,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:35:28,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:35:28,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:35:28,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:35:28,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:35:28,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:35:28,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:35:28,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:35:28,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:35:28,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:35:28,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:35:28,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:35:28,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:35:28,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:35:28,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:35:28,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:35:28,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:35:28,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:35:28,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:35:28,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:35:28,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:35:28,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:35:28,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:35:28,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:35:28,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:35:28,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:35:28,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:35:28,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:35:28,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:35:28,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:35:28,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:35:28,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:35:28,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:35:28,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:35:28,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:35:28,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:35:28,429 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:35:28,430 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:35:28,430 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:35:28,430 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:35:28,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:35:28,431 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:35:28,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:35:28,433 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:35:28,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:35:28,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:35:28,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:35:28,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:35:28,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:35:28,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:35:28,435 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:35:28,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:35:28,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:35:28,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:35:28,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:35:28,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:35:28,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:35:28,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:35:28,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:35:28,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:28,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:35:28,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:35:28,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:35:28,439 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:35:28,440 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:35:28,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:35:28,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:35:28,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:35:28,441 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_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 [2021-10-24 10:35:28,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:35:28,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:35:28,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:35:28,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:35:28,893 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:35:28,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-24 10:35:28,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/d92db96dc/6815db10d9e5429ebe911cbce427e3b0/FLAG05ad2b70b [2021-10-24 10:35:29,584 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:35:29,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-24 10:35:29,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/d92db96dc/6815db10d9e5429ebe911cbce427e3b0/FLAG05ad2b70b [2021-10-24 10:35:29,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/data/d92db96dc/6815db10d9e5429ebe911cbce427e3b0 [2021-10-24 10:35:29,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:35:29,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:35:29,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:29,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:35:29,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:35:29,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:29" (1/1) ... [2021-10-24 10:35:29,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5985ab5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:29, skipping insertion in model container [2021-10-24 10:35:29,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:29" (1/1) ... [2021-10-24 10:35:29,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:35:30,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:30,152 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_022ec124-d454-452c-bdea-cb08071f987e/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-24 10:35:30,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:30,318 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:35:30,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:30,363 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_022ec124-d454-452c-bdea-cb08071f987e/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-24 10:35:30,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:30,507 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:35:30,525 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_022ec124-d454-452c-bdea-cb08071f987e/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-24 10:35:30,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:30,616 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:35:30,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30 WrapperNode [2021-10-24 10:35:30,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:30,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:35:30,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:35:30,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:35:30,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:35:30,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:35:30,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:35:30,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:35:30,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:35:30,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:35:30,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:35:30,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:35:30,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (1/1) ... [2021-10-24 10:35:30,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:35:30,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:35:30,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:35:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:35:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:35:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:35:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:35:33,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:35:33,683 INFO L299 CfgBuilder]: Removed 348 assume(true) statements. [2021-10-24 10:35:33,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:33 BoogieIcfgContainer [2021-10-24 10:35:33,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:35:33,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:35:33,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:35:33,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:35:33,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:35:29" (1/3) ... [2021-10-24 10:35:33,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7f2ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:33, skipping insertion in model container [2021-10-24 10:35:33,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:30" (2/3) ... [2021-10-24 10:35:33,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7f2ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:33, skipping insertion in model container [2021-10-24 10:35:33,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:33" (3/3) ... [2021-10-24 10:35:33,695 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2021-10-24 10:35:33,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:35:33,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:35:33,755 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:35:33,761 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 [2021-10-24 10:35:33,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:35:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 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) [2021-10-24 10:35:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:35:33,788 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:33,789 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:33,790 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:33,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2021-10-24 10:35:33,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:33,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405169019] [2021-10-24 10:35:33,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:33,810 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:33,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:33,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:33,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:35:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:34,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:35:34,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:34,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:34,159 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:34,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405169019] [2021-10-24 10:35:34,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405169019] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:34,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:34,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:35:34,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635370694] [2021-10-24 10:35:34,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:35:34,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:34,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:35:34,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:35:34,192 INFO L87 Difference]: Start difference. First operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-24 10:35:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:34,237 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2021-10-24 10:35:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:35:34,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-24 10:35:34,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:34,250 INFO L225 Difference]: With dead ends: 444 [2021-10-24 10:35:34,250 INFO L226 Difference]: Without dead ends: 221 [2021-10-24 10:35:34,254 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:35:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-24 10:35:34,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-10-24 10:35:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 218 states have (on average 1.4862385321100917) internal successors, (324), 220 states have internal predecessors, (324), 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) [2021-10-24 10:35:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2021-10-24 10:35:34,311 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2021-10-24 10:35:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:34,311 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2021-10-24 10:35:34,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-24 10:35:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2021-10-24 10:35:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:35:34,313 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:34,313 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:34,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:34,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:34,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:34,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:34,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2021-10-24 10:35:34,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:34,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947350658] [2021-10-24 10:35:34,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:34,528 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:34,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:34,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:34,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:35:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:34,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:35:34,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:34,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:34,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:34,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947350658] [2021-10-24 10:35:34,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947350658] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:34,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:34,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:35:34,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361154830] [2021-10-24 10:35:34,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:35:34,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:34,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:35:34,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:34,846 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-24 10:35:34,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:34,868 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2021-10-24 10:35:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:35:34,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-24 10:35:34,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:34,870 INFO L225 Difference]: With dead ends: 221 [2021-10-24 10:35:34,870 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 10:35:34,872 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 10:35:34,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-24 10:35:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2021-10-24 10:35:34,881 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2021-10-24 10:35:34,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:34,881 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2021-10-24 10:35:34,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-24 10:35:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2021-10-24 10:35:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:35:34,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:34,883 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:34,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:35,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:35,096 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:35,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2021-10-24 10:35:35,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:35,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400630248] [2021-10-24 10:35:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:35,098 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:35,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:35,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:35:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:35,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:35:35,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:35,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:35,469 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:35,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400630248] [2021-10-24 10:35:35,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400630248] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:35,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:35,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:35:35,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007518159] [2021-10-24 10:35:35,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:35:35,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:35:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:35,471 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-24 10:35:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:35,483 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2021-10-24 10:35:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:35:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 22 [2021-10-24 10:35:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:35,485 INFO L225 Difference]: With dead ends: 160 [2021-10-24 10:35:35,485 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 10:35:35,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:35,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 10:35:35,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-24 10:35:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 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) [2021-10-24 10:35:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-10-24 10:35:35,495 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2021-10-24 10:35:35,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:35,496 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-10-24 10:35:35,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-24 10:35:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-10-24 10:35:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:35:35,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:35,497 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:35,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:35,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:35,717 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:35,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:35,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2021-10-24 10:35:35,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:35,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663775375] [2021-10-24 10:35:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:35,719 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:35,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:35,720 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:35,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:35:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:35,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:35:35,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:35,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:36,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:36,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663775375] [2021-10-24 10:35:36,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663775375] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:36,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:36,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:35:36,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077293132] [2021-10-24 10:35:36,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:35:36,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:35:36,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:35:36,055 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:36,134 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2021-10-24 10:35:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:35:36,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:35:36,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:36,138 INFO L225 Difference]: With dead ends: 166 [2021-10-24 10:35:36,138 INFO L226 Difference]: Without dead ends: 89 [2021-10-24 10:35:36,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:35:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-24 10:35:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-24 10:35:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 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) [2021-10-24 10:35:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-24 10:35:36,163 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2021-10-24 10:35:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:36,163 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-24 10:35:36,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-24 10:35:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 10:35:36,170 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:36,171 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:36,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:36,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:36,392 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:36,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:36,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2021-10-24 10:35:36,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:36,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25539752] [2021-10-24 10:35:36,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:36,394 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:36,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:36,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:36,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:35:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:36,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:36,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:36,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:36,938 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:36,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25539752] [2021-10-24 10:35:36,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25539752] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:36,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:36,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:35:36,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264668687] [2021-10-24 10:35:36,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:35:36,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:36,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:35:36,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:35:36,941 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 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) [2021-10-24 10:35:37,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:37,320 INFO L93 Difference]: Finished difference Result 673 states and 969 transitions. [2021-10-24 10:35:37,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:35:37,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 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 31 [2021-10-24 10:35:37,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:37,327 INFO L225 Difference]: With dead ends: 673 [2021-10-24 10:35:37,328 INFO L226 Difference]: Without dead ends: 592 [2021-10-24 10:35:37,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 123.8ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:35:37,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-24 10:35:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-10-24 10:35:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3940886699507389) internal successors, (283), 203 states have internal predecessors, (283), 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) [2021-10-24 10:35:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2021-10-24 10:35:37,389 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2021-10-24 10:35:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:37,390 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2021-10-24 10:35:37,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 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) [2021-10-24 10:35:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2021-10-24 10:35:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-24 10:35:37,396 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:37,397 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-24 10:35:37,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:37,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:37,613 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:37,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:37,614 INFO L82 PathProgramCache]: Analyzing trace with hash 26564831, now seen corresponding path program 1 times [2021-10-24 10:35:37,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:37,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61639644] [2021-10-24 10:35:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:37,615 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:37,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:37,617 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:37,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:35:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:37,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:37,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:35:38,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:35:38,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:38,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61639644] [2021-10-24 10:35:38,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61639644] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:38,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:38,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:35:38,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688073492] [2021-10-24 10:35:38,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:35:38,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:38,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:35:38,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:35:38,224 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-10-24 10:35:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:38,358 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2021-10-24 10:35:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:35:38,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 52 [2021-10-24 10:35:38,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:38,361 INFO L225 Difference]: With dead ends: 540 [2021-10-24 10:35:38,361 INFO L226 Difference]: Without dead ends: 342 [2021-10-24 10:35:38,363 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:35:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-24 10:35:38,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2021-10-24 10:35:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3571428571428572) internal successors, (304), 224 states have internal predecessors, (304), 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) [2021-10-24 10:35:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2021-10-24 10:35:38,401 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2021-10-24 10:35:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:38,403 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2021-10-24 10:35:38,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-10-24 10:35:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2021-10-24 10:35:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-24 10:35:38,406 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:38,407 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-24 10:35:38,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:38,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:38,625 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:38,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:38,626 INFO L82 PathProgramCache]: Analyzing trace with hash 728164705, now seen corresponding path program 1 times [2021-10-24 10:35:38,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:38,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320012710] [2021-10-24 10:35:38,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:38,628 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:38,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:38,629 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:38,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:35:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:38,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:35:38,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:35:39,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:35:39,196 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:39,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320012710] [2021-10-24 10:35:39,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320012710] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:39,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:39,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:35:39,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887036872] [2021-10-24 10:35:39,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:35:39,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:39,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:35:39,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:35:39,199 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 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) [2021-10-24 10:35:39,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:39,292 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2021-10-24 10:35:39,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:35:39,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 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 52 [2021-10-24 10:35:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:39,295 INFO L225 Difference]: With dead ends: 506 [2021-10-24 10:35:39,295 INFO L226 Difference]: Without dead ends: 287 [2021-10-24 10:35:39,296 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:35:39,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-24 10:35:39,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2021-10-24 10:35:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 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) [2021-10-24 10:35:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2021-10-24 10:35:39,325 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2021-10-24 10:35:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:39,325 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2021-10-24 10:35:39,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 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) [2021-10-24 10:35:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2021-10-24 10:35:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-24 10:35:39,327 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:39,328 INFO L512 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] [2021-10-24 10:35:39,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:39,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:39,549 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:39,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:39,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2021-10-24 10:35:39,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:39,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024722296] [2021-10-24 10:35:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:39,551 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:39,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:39,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:39,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:35:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:39,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:35:39,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:35:40,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:35:40,291 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:40,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024722296] [2021-10-24 10:35:40,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024722296] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:40,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:40,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:35:40,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707531578] [2021-10-24 10:35:40,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:35:40,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:40,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:35:40,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:35:40,293 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-10-24 10:35:40,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:40,521 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2021-10-24 10:35:40,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 10:35:40,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 [2021-10-24 10:35:40,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:40,527 INFO L225 Difference]: With dead ends: 871 [2021-10-24 10:35:40,527 INFO L226 Difference]: Without dead ends: 686 [2021-10-24 10:35:40,529 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 76.7ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:35:40,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-10-24 10:35:40,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2021-10-24 10:35:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3136729222520107) internal successors, (490), 373 states have internal predecessors, (490), 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) [2021-10-24 10:35:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2021-10-24 10:35:40,594 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2021-10-24 10:35:40,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:40,597 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2021-10-24 10:35:40,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-10-24 10:35:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2021-10-24 10:35:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 10:35:40,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:40,599 INFO L512 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] [2021-10-24 10:35:40,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:40,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:40,813 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:40,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2021-10-24 10:35:40,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:40,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141244383] [2021-10-24 10:35:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:40,814 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:40,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:40,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:40,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:35:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:41,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:35:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:41,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:41,573 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:41,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141244383] [2021-10-24 10:35:41,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141244383] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:35:41,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1406398643] [2021-10-24 10:35:41,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:41,574 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:35:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:35:41,578 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:35:41,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-24 10:35:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:41,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:41,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:35:42,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:35:42,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1406398643] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:42,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:35:42,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-10-24 10:35:42,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051999051] [2021-10-24 10:35:42,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:35:42,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:42,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:35:42,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:35:42,293 INFO L87 Difference]: Start difference. First operand 374 states and 490 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) [2021-10-24 10:35:42,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:42,586 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2021-10-24 10:35:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:35:42,587 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 [2021-10-24 10:35:42,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:42,593 INFO L225 Difference]: With dead ends: 1022 [2021-10-24 10:35:42,594 INFO L226 Difference]: Without dead ends: 1020 [2021-10-24 10:35:42,595 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 146.2ms TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:35:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-10-24 10:35:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2021-10-24 10:35:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3083109919571045) internal successors, (488), 373 states have internal predecessors, (488), 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) [2021-10-24 10:35:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2021-10-24 10:35:42,654 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2021-10-24 10:35:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:42,654 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2021-10-24 10:35:42,654 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) [2021-10-24 10:35:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2021-10-24 10:35:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 10:35:42,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:42,656 INFO L512 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, 1, 1, 1, 1, 1] [2021-10-24 10:35:42,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:42,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:43,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:43,067 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:43,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2021-10-24 10:35:43,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:43,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773775640] [2021-10-24 10:35:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:43,068 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:43,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:43,069 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:43,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:35:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:43,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:35:43,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:43,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:43,924 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:43,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773775640] [2021-10-24 10:35:43,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773775640] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:35:43,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [855804139] [2021-10-24 10:35:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:43,925 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:35:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:35:43,926 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:35:43,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-24 10:35:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:44,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:35:44,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:44,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:44,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [855804139] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:35:44,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660504950] [2021-10-24 10:35:44,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:44,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:35:44,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:35:44,917 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:35:44,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-24 10:35:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:45,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:35:45,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:45,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:35:45,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660504950] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:35:45,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:35:45,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-24 10:35:45,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285093511] [2021-10-24 10:35:45,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-24 10:35:45,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:45,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-24 10:35:45,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:35:45,741 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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) [2021-10-24 10:35:49,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:49,746 INFO L93 Difference]: Finished difference Result 4777 states and 6284 transitions. [2021-10-24 10:35:49,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-24 10:35:49,747 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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 60 [2021-10-24 10:35:49,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:49,774 INFO L225 Difference]: With dead ends: 4777 [2021-10-24 10:35:49,774 INFO L226 Difference]: Without dead ends: 4459 [2021-10-24 10:35:49,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2035 ImplicationChecksByTransitivity, 1318.3ms TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-24 10:35:49,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2021-10-24 10:35:49,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 664. [2021-10-24 10:35:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 663 states have (on average 1.3182503770739065) internal successors, (874), 663 states have internal predecessors, (874), 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) [2021-10-24 10:35:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 874 transitions. [2021-10-24 10:35:49,914 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 874 transitions. Word has length 60 [2021-10-24 10:35:49,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:49,914 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 874 transitions. [2021-10-24 10:35:49,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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) [2021-10-24 10:35:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 874 transitions. [2021-10-24 10:35:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-24 10:35:49,916 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:49,917 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2021-10-24 10:35:49,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-10-24 10:35:50,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-10-24 10:35:50,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:50,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:35:50,521 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:50,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:50,521 INFO L82 PathProgramCache]: Analyzing trace with hash 396849281, now seen corresponding path program 1 times [2021-10-24 10:35:50,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:50,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863828566] [2021-10-24 10:35:50,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:50,522 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:50,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:50,523 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:50,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-24 10:35:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:50,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:50,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:35:51,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:35:51,410 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:51,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863828566] [2021-10-24 10:35:51,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863828566] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:51,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:51,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:35:51,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623901127] [2021-10-24 10:35:51,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:35:51,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:51,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:35:51,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:35:51,413 INFO L87 Difference]: Start difference. First operand 664 states and 874 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-10-24 10:35:51,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:51,510 INFO L93 Difference]: Finished difference Result 1066 states and 1374 transitions. [2021-10-24 10:35:51,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:35:51,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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 85 [2021-10-24 10:35:51,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:51,511 INFO L225 Difference]: With dead ends: 1066 [2021-10-24 10:35:51,511 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:35:51,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 50.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:35:51,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:35:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:35:51,513 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) [2021-10-24 10:35:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:35:51,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-10-24 10:35:51,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:51,514 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:35:51,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-10-24 10:35:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:35:51,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:35:51,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:35:51,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:35:51,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:35:51,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:51,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:51,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:35:51,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:51,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:52,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:53,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:35:54,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:00,796 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:36:00,796 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,796 INFO L857 garLoopResultBuilder]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,797 INFO L857 garLoopResultBuilder]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,797 INFO L857 garLoopResultBuilder]: For program point L235-6(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,797 INFO L857 garLoopResultBuilder]: For program point L235-8(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,797 INFO L857 garLoopResultBuilder]: For program point L235-10(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,797 INFO L857 garLoopResultBuilder]: For program point L235-12(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,797 INFO L857 garLoopResultBuilder]: For program point L235-14(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L235-16(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L235-18(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L235-20(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L235-22(lines 235 241) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,798 INFO L857 garLoopResultBuilder]: For program point L500-3(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,799 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,800 INFO L857 garLoopResultBuilder]: For program point L500-5(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,800 INFO L857 garLoopResultBuilder]: For program point L500-6(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,800 INFO L857 garLoopResultBuilder]: For program point L500-7(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,800 INFO L857 garLoopResultBuilder]: For program point L500-8(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,800 INFO L857 garLoopResultBuilder]: For program point L500-9(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,801 INFO L857 garLoopResultBuilder]: For program point L500-10(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,801 INFO L857 garLoopResultBuilder]: For program point L500-11(lines 500 506) no Hoare annotation was computed. [2021-10-24 10:36:00,801 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-10-24 10:36:00,801 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 377) no Hoare annotation was computed. [2021-10-24 10:36:00,801 INFO L853 garLoopResultBuilder]: At program point L371-1(lines 371 377) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse5 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse6))) [2021-10-24 10:36:00,801 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 190) no Hoare annotation was computed. [2021-10-24 10:36:00,801 INFO L857 garLoopResultBuilder]: For program point L173-1(lines 173 190) no Hoare annotation was computed. [2021-10-24 10:36:00,802 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 190) no Hoare annotation was computed. [2021-10-24 10:36:00,802 INFO L857 garLoopResultBuilder]: For program point L173-3(lines 173 190) no Hoare annotation was computed. [2021-10-24 10:36:00,802 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 190) no Hoare annotation was computed. [2021-10-24 10:36:00,802 INFO L857 garLoopResultBuilder]: For program point L173-5(lines 173 190) no Hoare annotation was computed. [2021-10-24 10:36:00,802 INFO L853 garLoopResultBuilder]: At program point L505(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,802 INFO L853 garLoopResultBuilder]: At program point L505-1(lines 496 509) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,802 INFO L853 garLoopResultBuilder]: At program point L505-2(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,804 INFO L853 garLoopResultBuilder]: At program point L505-3(lines 496 509) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-4(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-5(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-6(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-7(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-8(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-9(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-10(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L853 garLoopResultBuilder]: At program point L505-11(lines 496 509) the Hoare annotation is: false [2021-10-24 10:36:00,805 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 185) no Hoare annotation was computed. [2021-10-24 10:36:00,805 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 177 185) no Hoare annotation was computed. [2021-10-24 10:36:00,805 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2021-10-24 10:36:00,806 INFO L857 garLoopResultBuilder]: For program point L177-3(lines 177 185) no Hoare annotation was computed. [2021-10-24 10:36:00,806 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 185) no Hoare annotation was computed. [2021-10-24 10:36:00,806 INFO L857 garLoopResultBuilder]: For program point L177-5(lines 177 185) no Hoare annotation was computed. [2021-10-24 10:36:00,806 INFO L853 garLoopResultBuilder]: At program point L971(lines 967 973) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,806 INFO L853 garLoopResultBuilder]: At program point L115(lines 114 133) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse3) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-24 10:36:00,807 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2021-10-24 10:36:00,807 INFO L853 garLoopResultBuilder]: At program point L115-2(lines 114 133) the Hoare annotation is: false [2021-10-24 10:36:00,807 INFO L853 garLoopResultBuilder]: At program point L115-3(lines 114 133) the Hoare annotation is: false [2021-10-24 10:36:00,807 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-10-24 10:36:00,807 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 381 387) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L515(lines 510 518) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L515-1(lines 510 518) the Hoare annotation is: false [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L515-2(lines 510 518) the Hoare annotation is: false [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L515-3(lines 510 518) the Hoare annotation is: false [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L515-4(lines 510 518) the Hoare annotation is: false [2021-10-24 10:36:00,808 INFO L853 garLoopResultBuilder]: At program point L515-5(lines 510 518) the Hoare annotation is: false [2021-10-24 10:36:00,808 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,808 INFO L857 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,808 INFO L857 garLoopResultBuilder]: For program point L318-3(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,808 INFO L857 garLoopResultBuilder]: For program point L318-5(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L318-6(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L318-8(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L318-9(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L318-11(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L318-12(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,809 INFO L857 garLoopResultBuilder]: For program point L318-14(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,810 INFO L857 garLoopResultBuilder]: For program point L318-15(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,810 INFO L857 garLoopResultBuilder]: For program point L318-17(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,810 INFO L857 garLoopResultBuilder]: For program point L318-18(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,810 INFO L857 garLoopResultBuilder]: For program point L318-20(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,810 INFO L857 garLoopResultBuilder]: For program point L318-21(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,810 INFO L857 garLoopResultBuilder]: For program point L318-23(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-24(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-26(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-27(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-29(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-30(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-32(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-33(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,811 INFO L857 garLoopResultBuilder]: For program point L318-35(lines 318 322) no Hoare annotation was computed. [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L122(lines 122 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse3))) [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L122-1(lines 122 128) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L122-2(lines 122 128) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 309 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 309 327) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse2))) [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-4(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-6(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,812 INFO L853 garLoopResultBuilder]: At program point L324-7(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L324-8(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L324-9(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L324-10(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L324-11(lines 309 327) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 402) no Hoare annotation was computed. [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L260(lines 253 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L260-3(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L260-4(lines 253 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,813 INFO L853 garLoopResultBuilder]: At program point L260-5(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,814 INFO L853 garLoopResultBuilder]: At program point L260-6(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,814 INFO L853 garLoopResultBuilder]: At program point L260-7(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,814 INFO L853 garLoopResultBuilder]: At program point L260-8(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,814 INFO L853 garLoopResultBuilder]: At program point L260-9(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,814 INFO L853 garLoopResultBuilder]: At program point L260-10(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,814 INFO L853 garLoopResultBuilder]: At program point L260-11(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,815 INFO L853 garLoopResultBuilder]: At program point L260-12(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,815 INFO L853 garLoopResultBuilder]: At program point L260-13(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,815 INFO L853 garLoopResultBuilder]: At program point L260-14(lines 253 263) the Hoare annotation is: false [2021-10-24 10:36:00,815 INFO L853 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-24 10:36:00,815 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,815 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,816 INFO L853 garLoopResultBuilder]: At program point L460-3(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,816 INFO L853 garLoopResultBuilder]: At program point L460-4(lines 455 463) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,816 INFO L853 garLoopResultBuilder]: At program point L460-5(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,816 INFO L853 garLoopResultBuilder]: At program point L460-6(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,816 INFO L853 garLoopResultBuilder]: At program point L460-7(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,816 INFO L853 garLoopResultBuilder]: At program point L460-8(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,817 INFO L853 garLoopResultBuilder]: At program point L460-9(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,817 INFO L853 garLoopResultBuilder]: At program point L460-10(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,817 INFO L853 garLoopResultBuilder]: At program point L460-11(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,817 INFO L853 garLoopResultBuilder]: At program point L460-12(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,817 INFO L853 garLoopResultBuilder]: At program point L460-13(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,817 INFO L853 garLoopResultBuilder]: At program point L460-14(lines 455 463) the Hoare annotation is: false [2021-10-24 10:36:00,818 INFO L853 garLoopResultBuilder]: At program point L923-2(lines 923 937) the Hoare annotation is: false [2021-10-24 10:36:00,818 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:36:00,818 INFO L857 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2021-10-24 10:36:00,820 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:36:00,820 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 541) no Hoare annotation was computed. [2021-10-24 10:36:00,820 INFO L853 garLoopResultBuilder]: At program point L528-1(lines 1 1006) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-24 10:36:00,821 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 528 541) no Hoare annotation was computed. [2021-10-24 10:36:00,821 INFO L853 garLoopResultBuilder]: At program point L528-3(lines 1 1006) the Hoare annotation is: false [2021-10-24 10:36:00,821 INFO L857 garLoopResultBuilder]: For program point L528-4(lines 528 541) no Hoare annotation was computed. [2021-10-24 10:36:00,821 INFO L853 garLoopResultBuilder]: At program point L528-5(lines 1 1006) the Hoare annotation is: false [2021-10-24 10:36:00,821 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed. [2021-10-24 10:36:00,821 INFO L857 garLoopResultBuilder]: For program point L397-2(lines 115 121) no Hoare annotation was computed. [2021-10-24 10:36:00,821 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 216) no Hoare annotation was computed. [2021-10-24 10:36:00,822 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 199 216) no Hoare annotation was computed. [2021-10-24 10:36:00,822 INFO L857 garLoopResultBuilder]: For program point L199-2(lines 199 216) no Hoare annotation was computed. [2021-10-24 10:36:00,822 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-24 10:36:00,822 INFO L857 garLoopResultBuilder]: For program point L927-1(lines 115 121) no Hoare annotation was computed. [2021-10-24 10:36:00,822 INFO L857 garLoopResultBuilder]: For program point L994(lines 994 1001) no Hoare annotation was computed. [2021-10-24 10:36:00,822 INFO L860 garLoopResultBuilder]: At program point L994-1(lines 994 1001) the Hoare annotation is: true [2021-10-24 10:36:00,822 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 538) no Hoare annotation was computed. [2021-10-24 10:36:00,823 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 532 538) no Hoare annotation was computed. [2021-10-24 10:36:00,823 INFO L857 garLoopResultBuilder]: For program point L532-4(lines 532 538) no Hoare annotation was computed. [2021-10-24 10:36:00,823 INFO L853 garLoopResultBuilder]: At program point L269(lines 264 272) the Hoare annotation is: false [2021-10-24 10:36:00,823 INFO L853 garLoopResultBuilder]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2021-10-24 10:36:00,823 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 211) no Hoare annotation was computed. [2021-10-24 10:36:00,824 INFO L853 garLoopResultBuilder]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2021-10-24 10:36:00,824 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 203 211) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L337-3(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L337-5(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L337-6(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,825 INFO L857 garLoopResultBuilder]: For program point L337-8(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,826 INFO L857 garLoopResultBuilder]: For program point L337-9(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,826 INFO L857 garLoopResultBuilder]: For program point L337-11(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,826 INFO L857 garLoopResultBuilder]: For program point L337-12(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,826 INFO L857 garLoopResultBuilder]: For program point L337-14(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,826 INFO L857 garLoopResultBuilder]: For program point L337-15(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,826 INFO L857 garLoopResultBuilder]: For program point L337-17(lines 337 341) no Hoare annotation was computed. [2021-10-24 10:36:00,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:36:00,827 INFO L853 garLoopResultBuilder]: At program point L407(lines 360 408) the Hoare annotation is: false [2021-10-24 10:36:00,827 INFO L860 garLoopResultBuilder]: At program point L1003(lines 984 1006) the Hoare annotation is: true [2021-10-24 10:36:00,827 INFO L853 garLoopResultBuilder]: At program point L343(lines 328 346) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32))) [2021-10-24 10:36:00,827 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 328 346) the Hoare annotation is: false [2021-10-24 10:36:00,827 INFO L853 garLoopResultBuilder]: At program point L343-2(lines 328 346) the Hoare annotation is: false [2021-10-24 10:36:00,828 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 328 346) the Hoare annotation is: false [2021-10-24 10:36:00,828 INFO L853 garLoopResultBuilder]: At program point L343-4(lines 328 346) the Hoare annotation is: false [2021-10-24 10:36:00,828 INFO L853 garLoopResultBuilder]: At program point L343-5(lines 328 346) the Hoare annotation is: false [2021-10-24 10:36:00,828 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,828 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,828 INFO L857 garLoopResultBuilder]: For program point L147-2(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,828 INFO L857 garLoopResultBuilder]: For program point L147-3(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,829 INFO L857 garLoopResultBuilder]: For program point L147-4(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,829 INFO L857 garLoopResultBuilder]: For program point L147-5(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,829 INFO L857 garLoopResultBuilder]: For program point L147-6(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,829 INFO L857 garLoopResultBuilder]: For program point L147-7(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,830 INFO L857 garLoopResultBuilder]: For program point L147-8(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,830 INFO L857 garLoopResultBuilder]: For program point L147-9(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,830 INFO L857 garLoopResultBuilder]: For program point L147-10(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,830 INFO L857 garLoopResultBuilder]: For program point L147-11(lines 147 164) no Hoare annotation was computed. [2021-10-24 10:36:00,830 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 1006) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,830 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-2(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-4(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-5(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-6(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,831 INFO L857 garLoopResultBuilder]: For program point L151-7(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,832 INFO L857 garLoopResultBuilder]: For program point L151-8(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,832 INFO L857 garLoopResultBuilder]: For program point L151-9(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,832 INFO L857 garLoopResultBuilder]: For program point L151-10(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,832 INFO L857 garLoopResultBuilder]: For program point L151-11(lines 151 159) no Hoare annotation was computed. [2021-10-24 10:36:00,832 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:36:00,832 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:00,833 INFO L857 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-10-24 10:36:00,833 INFO L857 garLoopResultBuilder]: For program point L423-3(lines 423 427) no Hoare annotation was computed. [2021-10-24 10:36:00,833 INFO L857 garLoopResultBuilder]: For program point L423-6(lines 423 427) no Hoare annotation was computed. [2021-10-24 10:36:00,833 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:36:00,833 INFO L853 garLoopResultBuilder]: At program point L492(lines 487 495) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:36:00,833 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 487 495) the Hoare annotation is: false [2021-10-24 10:36:00,833 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 487 495) the Hoare annotation is: false [2021-10-24 10:36:00,834 INFO L857 garLoopResultBuilder]: For program point L362(lines 361 406) no Hoare annotation was computed. [2021-10-24 10:36:00,834 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 367) no Hoare annotation was computed. [2021-10-24 10:36:00,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:36:00,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:36:00 BoogieIcfgContainer [2021-10-24 10:36:00,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:36:00,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:36:00,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:36:00,897 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:36:00,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:33" (3/4) ... [2021-10-24 10:36:00,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:36:00,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:36:00,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:36:00,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:36:00,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:36:00,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:36:00,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:36:00,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:36:00,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-24 10:36:00,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-24 10:36:00,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:00,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-24 10:36:00,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:36:00,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-10-24 10:36:00,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:36:01,076 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:36:01,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:36:01,078 INFO L168 Benchmark]: Toolchain (without parser) took 31133.88 ms. Allocated memory was 65.0 MB in the beginning and 197.1 MB in the end (delta: 132.1 MB). Free memory was 43.3 MB in the beginning and 106.7 MB in the end (delta: -63.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,078 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:36:01,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.44 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 34.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.44 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 34.0 MB in the beginning and 66.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,079 INFO L168 Benchmark]: Boogie Preprocessor took 66.71 ms. Allocated memory is still 86.0 MB. Free memory was 66.4 MB in the beginning and 62.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,080 INFO L168 Benchmark]: RCFGBuilder took 2897.23 ms. Allocated memory is still 86.0 MB. Free memory was 62.7 MB in the beginning and 49.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,080 INFO L168 Benchmark]: TraceAbstraction took 27207.82 ms. Allocated memory was 86.0 MB in the beginning and 197.1 MB in the end (delta: 111.1 MB). Free memory was 49.4 MB in the beginning and 125.6 MB in the end (delta: -76.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,080 INFO L168 Benchmark]: Witness Printer took 179.95 ms. Allocated memory is still 197.1 MB. Free memory was 125.6 MB in the beginning and 106.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:01,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.44 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 34.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.44 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 34.0 MB in the beginning and 66.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.71 ms. Allocated memory is still 86.0 MB. Free memory was 66.4 MB in the beginning and 62.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2897.23 ms. Allocated memory is still 86.0 MB. Free memory was 62.7 MB in the beginning and 49.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27207.82 ms. Allocated memory was 86.0 MB in the beginning and 197.1 MB in the end (delta: 111.1 MB). Free memory was 49.4 MB in the beginning and 125.6 MB in the end (delta: -76.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 16.1 GB. * Witness Printer took 179.95 ms. Allocated memory is still 197.1 MB. Free memory was 125.6 MB in the beginning and 106.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27085.8ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 35.4ms, AutomataDifference: 5517.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9067.1ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1896 SDtfs, 4996 SDslu, 5243 SDs, 0 SdLazy, 914 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2501.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1349 GetRequests, 1213 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 1792.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=10, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 464.8ms AutomataMinimizationTime, 11 MinimizatonAttempts, 5356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 230 NumberOfFragments, 673 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1428329 FormulaSimplificationTreeSizeReduction, 2716.4ms HoareSimplificationTime, 90 FomulaSimplificationsInter, 103863 FormulaSimplificationTreeSizeReductionInter, 6333.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 356.4ms SsaConstructionTime, 1521.4ms SatisfiabilityAnalysisTime, 4575.1ms InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1254 ConstructedInterpolants, 0 QuantifiedInterpolants, 2782 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3237 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 264/330 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: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:36:01,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022ec124-d454-452c-bdea-cb08071f987e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...