./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.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_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/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_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/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_935c78ed-e972-44d3-aebd-0db717fb1685/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 a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 ............................................................................................................................................ 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_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/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_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/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_935c78ed-e972-44d3-aebd-0db717fb1685/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 a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:05:09,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:05:09,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:05:09,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:05:09,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:05:09,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:05:09,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:05:09,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:05:09,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:05:09,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:05:09,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:05:09,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:05:09,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:05:09,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:05:09,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:05:09,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:05:09,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:05:09,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:05:09,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:05:09,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:05:09,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:05:09,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:05:09,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:05:09,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:05:09,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:05:09,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:05:09,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:05:09,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:05:09,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:05:09,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:05:09,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:05:09,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:05:09,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:05:09,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:05:09,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:05:09,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:05:09,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:05:09,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:05:09,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:05:09,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:05:09,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:05:09,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:05:09,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:05:09,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:05:09,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:05:09,322 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:05:09,322 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:05:09,322 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:05:09,322 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:05:09,323 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:05:09,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:05:09,323 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:05:09,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:05:09,323 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:05:09,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:05:09,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:05:09,324 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:05:09,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:05:09,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:05:09,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:05:09,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:05:09,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:05:09,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:05:09,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:05:09,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:05:09,331 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:05:09,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:05:09,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:05:09,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:05:09,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:05:09,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:05:09,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:05:09,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:05:09,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:05:09,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:05:09,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:05:09,334 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:05:09,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:05:09,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:05:09,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:05:09,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:05:09,336 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_935c78ed-e972-44d3-aebd-0db717fb1685/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2021-10-24 11:05:09,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:05:09,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:05:09,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:05:09,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:05:09,609 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:05:09,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-24 11:05:09,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/ed39d76c6/fc09d8697df8477782d7c450b425e7a5/FLAG420559f0a [2021-10-24 11:05:10,192 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:05:10,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-24 11:05:10,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/ed39d76c6/fc09d8697df8477782d7c450b425e7a5/FLAG420559f0a [2021-10-24 11:05:10,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/ed39d76c6/fc09d8697df8477782d7c450b425e7a5 [2021-10-24 11:05:10,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:05:10,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:05:10,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:05:10,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:05:10,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:05:10,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:10" (1/1) ... [2021-10-24 11:05:10,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bdea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:10, skipping insertion in model container [2021-10-24 11:05:10,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:10" (1/1) ... [2021-10-24 11:05:10,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:05:10,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:05:10,892 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_935c78ed-e972-44d3-aebd-0db717fb1685/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-10-24 11:05:10,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:05:10,906 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 11:05:10,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2669ac6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:10, skipping insertion in model container [2021-10-24 11:05:10,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:05:10,908 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:05:10,910 INFO L168 Benchmark]: Toolchain (without parser) took 378.85 ms. Allocated memory is still 136.3 MB. Free memory was 101.5 MB in the beginning and 108.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:05:10,910 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:05:10,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.33 ms. Allocated memory is still 136.3 MB. Free memory was 101.5 MB in the beginning and 108.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:05:10,913 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 90.2 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.33 ms. Allocated memory is still 136.3 MB. Free memory was 101.5 MB in the beginning and 108.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 189]: 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 11:05:13,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:05:13,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:05:13,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:05:13,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:05:13,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:05:13,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:05:13,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:05:13,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:05:13,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:05:13,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:05:13,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:05:13,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:05:13,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:05:13,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:05:13,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:05:13,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:05:13,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:05:13,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:05:13,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:05:13,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:05:13,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:05:13,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:05:13,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:05:13,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:05:13,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:05:13,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:05:13,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:05:13,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:05:13,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:05:13,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:05:13,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:05:13,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:05:13,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:05:13,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:05:13,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:05:13,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:05:13,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:05:13,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:05:13,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:05:13,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:05:13,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:05:13,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:05:13,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:05:13,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:05:13,324 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:05:13,324 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:05:13,324 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:05:13,324 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:05:13,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:05:13,325 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:05:13,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:05:13,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:05:13,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:05:13,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:05:13,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:05:13,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:05:13,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:05:13,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:05:13,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:05:13,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:05:13,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:05:13,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:05:13,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:05:13,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:05:13,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:05:13,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:05:13,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:05:13,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:05:13,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:05:13,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:05:13,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:05:13,332 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:05:13,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:05:13,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:05:13,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:05:13,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:05:13,334 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_935c78ed-e972-44d3-aebd-0db717fb1685/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2021-10-24 11:05:13,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:05:13,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:05:13,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:05:13,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:05:13,772 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:05:13,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-24 11:05:13,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/92b96988a/49d36b067dbb4229b96b49b0e2bcc2fe/FLAGd48d583f0 [2021-10-24 11:05:14,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:05:14,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-24 11:05:14,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/92b96988a/49d36b067dbb4229b96b49b0e2bcc2fe/FLAGd48d583f0 [2021-10-24 11:05:14,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/data/92b96988a/49d36b067dbb4229b96b49b0e2bcc2fe [2021-10-24 11:05:14,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:05:14,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:05:14,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:05:14,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:05:14,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:05:14,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:14" (1/1) ... [2021-10-24 11:05:14,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b7deb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:14, skipping insertion in model container [2021-10-24 11:05:14,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:14" (1/1) ... [2021-10-24 11:05:14,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:05:14,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:05:15,230 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_935c78ed-e972-44d3-aebd-0db717fb1685/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-10-24 11:05:15,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:05:15,261 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:05:15,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:05:15,407 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_935c78ed-e972-44d3-aebd-0db717fb1685/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-10-24 11:05:15,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:05:15,422 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:05:15,525 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_935c78ed-e972-44d3-aebd-0db717fb1685/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2021-10-24 11:05:15,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:05:15,551 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:05:15,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15 WrapperNode [2021-10-24 11:05:15,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:05:15,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:05:15,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:05:15,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:05:15,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:05:15,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:05:15,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:05:15,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:05:15,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:05:15,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:05:15,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:05:15,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:05:15,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (1/1) ... [2021-10-24 11:05:15,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:05:15,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:05:15,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:05:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:05:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:05:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:05:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:05:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:05:18,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:05:18,113 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-24 11:05:18,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:05:18 BoogieIcfgContainer [2021-10-24 11:05:18,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:05:18,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:05:18,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:05:18,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:05:18,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:05:14" (1/3) ... [2021-10-24 11:05:18,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b92be23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:05:18, skipping insertion in model container [2021-10-24 11:05:18,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:15" (2/3) ... [2021-10-24 11:05:18,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b92be23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:05:18, skipping insertion in model container [2021-10-24 11:05:18,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:05:18" (3/3) ... [2021-10-24 11:05:18,125 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2021-10-24 11:05:18,130 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:05:18,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:05:18,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:05:18,193 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 11:05:18,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:05:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 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 11:05:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 11:05:18,237 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:18,238 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:05:18,239 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 11:05:18,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:18,245 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2021-10-24 11:05:18,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:18,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745768911] [2021-10-24 11:05:18,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:18,261 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:18,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:18,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:05:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:18,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:05:18,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:18,627 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 11:05:18,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:18,696 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 11:05:18,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:18,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745768911] [2021-10-24 11:05:18,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745768911] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:18,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:18,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:05:18,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142507436] [2021-10-24 11:05:18,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:05:18,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:18,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:05:18,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:05:18,725 INFO L87 Difference]: Start difference. First operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:18,782 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-10-24 11:05:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:05:18,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 11:05:18,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:18,797 INFO L225 Difference]: With dead ends: 271 [2021-10-24 11:05:18,797 INFO L226 Difference]: Without dead ends: 135 [2021-10-24 11:05:18,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:05:18,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-10-24 11:05:18,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-10-24 11:05:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 states have internal predecessors, (196), 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 11:05:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-10-24 11:05:18,859 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-10-24 11:05:18,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:18,859 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-10-24 11:05:18,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-10-24 11:05:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 11:05:18,861 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:18,861 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:05:18,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:19,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:19,067 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 11:05:19,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2021-10-24 11:05:19,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:19,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28731825] [2021-10-24 11:05:19,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:19,069 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:19,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:19,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:05:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:19,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:05:19,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:19,349 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 11:05:19,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:19,417 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 11:05:19,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:19,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28731825] [2021-10-24 11:05:19,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28731825] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:19,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:19,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:05:19,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405790906] [2021-10-24 11:05:19,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:05:19,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:05:19,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:05:19,427 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:19,452 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-10-24 11:05:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:05:19,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 11:05:19,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:19,462 INFO L225 Difference]: With dead ends: 135 [2021-10-24 11:05:19,462 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 11:05:19,463 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:05:19,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 11:05:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 11:05:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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 11:05:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-24 11:05:19,479 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-24 11:05:19,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:19,479 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-24 11:05:19,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-24 11:05:19,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:05:19,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:19,486 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:05:19,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:19,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:19,701 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 11:05:19,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:19,702 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2021-10-24 11:05:19,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:19,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875158592] [2021-10-24 11:05:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:19,703 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:19,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:19,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:05:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:19,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:05:19,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:19,997 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 11:05:19,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:20,089 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 11:05:20,090 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:20,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875158592] [2021-10-24 11:05:20,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875158592] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:20,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:20,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:05:20,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516363353] [2021-10-24 11:05:20,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:05:20,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:20,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:05:20,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:05:20,092 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:20,144 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-24 11:05:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:05:20,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:05:20,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:20,145 INFO L225 Difference]: With dead ends: 103 [2021-10-24 11:05:20,145 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 11:05:20,146 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:05:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 11:05:20,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 11:05:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 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 11:05:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-24 11:05:20,152 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-24 11:05:20,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:20,153 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-24 11:05:20,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-24 11:05:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 11:05:20,154 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:20,155 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:05:20,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:20,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:20,370 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 11:05:20,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:20,371 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2021-10-24 11:05:20,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:20,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592559067] [2021-10-24 11:05:20,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:20,372 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:20,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:20,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:20,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:05:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:20,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:05:20,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:20,689 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 11:05:20,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:20,764 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 11:05:20,764 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:20,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592559067] [2021-10-24 11:05:20,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592559067] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:20,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:20,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:05:20,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480716554] [2021-10-24 11:05:20,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:05:20,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:05:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:05:20,767 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:20,832 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-10-24 11:05:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:05:20,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 11:05:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:20,835 INFO L225 Difference]: With dead ends: 125 [2021-10-24 11:05:20,835 INFO L226 Difference]: Without dead ends: 77 [2021-10-24 11:05:20,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:05:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-24 11:05:20,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-10-24 11:05:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 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 11:05:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-24 11:05:20,856 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-10-24 11:05:20,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:20,857 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-24 11:05:20,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-24 11:05:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 11:05:20,858 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:20,858 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, 1] [2021-10-24 11:05:20,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:21,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:21,072 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 11:05:21,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:21,073 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2021-10-24 11:05:21,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:21,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278744466] [2021-10-24 11:05:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:21,074 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:21,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:21,075 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:21,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:05:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:21,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:05:21,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:21,431 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 11:05:21,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:21,536 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 11:05:21,537 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:21,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278744466] [2021-10-24 11:05:21,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278744466] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:21,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:21,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:05:21,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951620665] [2021-10-24 11:05:21,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:05:21,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:21,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:05:21,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:05:21,539 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:21,596 INFO L93 Difference]: Finished difference Result 262 states and 378 transitions. [2021-10-24 11:05:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:05:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 11:05:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:21,598 INFO L225 Difference]: With dead ends: 262 [2021-10-24 11:05:21,598 INFO L226 Difference]: Without dead ends: 194 [2021-10-24 11:05:21,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:05:21,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-24 11:05:21,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2021-10-24 11:05:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 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 11:05:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2021-10-24 11:05:21,615 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 32 [2021-10-24 11:05:21,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:21,615 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2021-10-24 11:05:21,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2021-10-24 11:05:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 11:05:21,617 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:21,617 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, 1] [2021-10-24 11:05:21,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:21,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:21,830 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 11:05:21,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:21,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2021-10-24 11:05:21,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:21,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856717712] [2021-10-24 11:05:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:21,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:21,833 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:05:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:22,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:05:22,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:22,217 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 11:05:22,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:22,335 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 11:05:22,335 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:22,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856717712] [2021-10-24 11:05:22,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856717712] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:22,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:22,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:05:22,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381780891] [2021-10-24 11:05:22,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:05:22,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:22,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:05:22,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:05:22,337 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:22,494 INFO L93 Difference]: Finished difference Result 972 states and 1381 transitions. [2021-10-24 11:05:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:05:22,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 11:05:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:22,500 INFO L225 Difference]: With dead ends: 972 [2021-10-24 11:05:22,500 INFO L226 Difference]: Without dead ends: 791 [2021-10-24 11:05:22,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:05:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-10-24 11:05:22,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 349. [2021-10-24 11:05:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.3908045977011494) internal successors, (484), 348 states have internal predecessors, (484), 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 11:05:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 484 transitions. [2021-10-24 11:05:22,535 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 484 transitions. Word has length 32 [2021-10-24 11:05:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:22,535 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 484 transitions. [2021-10-24 11:05:22,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 484 transitions. [2021-10-24 11:05:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 11:05:22,538 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:22,538 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, 1, 1] [2021-10-24 11:05:22,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:22,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:22,750 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 11:05:22,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:22,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2021-10-24 11:05:22,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:22,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415913176] [2021-10-24 11:05:22,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:22,752 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:22,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:22,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:22,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:05:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:23,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:05:23,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:23,126 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 11:05:23,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:23,210 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 11:05:23,210 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:23,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415913176] [2021-10-24 11:05:23,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415913176] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:23,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:23,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:05:23,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325233316] [2021-10-24 11:05:23,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:05:23,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:23,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:05:23,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:05:23,227 INFO L87 Difference]: Start difference. First operand 349 states and 484 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:23,437 INFO L93 Difference]: Finished difference Result 1346 states and 1861 transitions. [2021-10-24 11:05:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:05:23,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 11:05:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:23,454 INFO L225 Difference]: With dead ends: 1346 [2021-10-24 11:05:23,454 INFO L226 Difference]: Without dead ends: 1004 [2021-10-24 11:05:23,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 47.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:05:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-10-24 11:05:23,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 346. [2021-10-24 11:05:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 345 states have (on average 1.3768115942028984) internal successors, (475), 345 states have internal predecessors, (475), 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 11:05:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 475 transitions. [2021-10-24 11:05:23,499 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 475 transitions. Word has length 33 [2021-10-24 11:05:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:23,500 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 475 transitions. [2021-10-24 11:05:23,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 475 transitions. [2021-10-24 11:05:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 11:05:23,507 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:23,507 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, 1, 1, 1, 1, 1] [2021-10-24 11:05:23,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:23,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:23,720 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 11:05:23,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:23,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2021-10-24 11:05:23,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:23,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936440113] [2021-10-24 11:05:23,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:23,721 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:23,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:23,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:23,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:05:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:23,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:05:24,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:24,123 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 11:05:24,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:24,221 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 11:05:24,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:24,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936440113] [2021-10-24 11:05:24,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936440113] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:24,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:24,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:05:24,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552328481] [2021-10-24 11:05:24,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:05:24,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:24,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:05:24,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:05:24,224 INFO L87 Difference]: Start difference. First operand 346 states and 475 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 11:05:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:24,334 INFO L93 Difference]: Finished difference Result 933 states and 1265 transitions. [2021-10-24 11:05:24,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:05:24,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-24 11:05:24,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:24,340 INFO L225 Difference]: With dead ends: 933 [2021-10-24 11:05:24,340 INFO L226 Difference]: Without dead ends: 594 [2021-10-24 11:05:24,341 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:05:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-10-24 11:05:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 376. [2021-10-24 11:05:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.3466666666666667) internal successors, (505), 375 states have internal predecessors, (505), 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 11:05:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2021-10-24 11:05:24,388 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 36 [2021-10-24 11:05:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:24,389 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2021-10-24 11:05:24,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 11:05:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2021-10-24 11:05:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 11:05:24,390 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:24,390 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, 1, 1, 1, 1, 1] [2021-10-24 11:05:24,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:24,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:24,610 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 11:05:24,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:24,611 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2021-10-24 11:05:24,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:24,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444910625] [2021-10-24 11:05:24,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:24,613 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:24,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:24,613 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:24,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:05:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:24,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:05:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:24,984 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 11:05:24,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:25,071 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 11:05:25,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:25,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444910625] [2021-10-24 11:05:25,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444910625] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:25,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:25,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:05:25,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079442022] [2021-10-24 11:05:25,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:05:25,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:05:25,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:05:25,074 INFO L87 Difference]: Start difference. First operand 376 states and 505 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 11:05:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:25,166 INFO L93 Difference]: Finished difference Result 793 states and 1060 transitions. [2021-10-24 11:05:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:05:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 36 [2021-10-24 11:05:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:25,169 INFO L225 Difference]: With dead ends: 793 [2021-10-24 11:05:25,169 INFO L226 Difference]: Without dead ends: 424 [2021-10-24 11:05:25,170 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:05:25,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-10-24 11:05:25,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 259. [2021-10-24 11:05:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.3410852713178294) internal successors, (346), 258 states have internal predecessors, (346), 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 11:05:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 346 transitions. [2021-10-24 11:05:25,198 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 346 transitions. Word has length 36 [2021-10-24 11:05:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:25,198 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 346 transitions. [2021-10-24 11:05:25,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 11:05:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 346 transitions. [2021-10-24 11:05:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 11:05:25,199 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:25,200 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, 1, 1, 1, 1, 1, 1] [2021-10-24 11:05:25,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:25,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:25,412 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 11:05:25,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:25,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2021-10-24 11:05:25,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:25,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041970813] [2021-10-24 11:05:25,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:25,413 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:25,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:25,414 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:25,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:05:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:25,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:05:25,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:25,886 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 11:05:25,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:26,023 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 11:05:26,024 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:26,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041970813] [2021-10-24 11:05:26,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041970813] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:26,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:26,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 11:05:26,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460497203] [2021-10-24 11:05:26,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 11:05:26,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:26,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 11:05:26,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:05:26,026 INFO L87 Difference]: Start difference. First operand 259 states and 346 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 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 11:05:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:28,669 INFO L93 Difference]: Finished difference Result 995 states and 1305 transitions. [2021-10-24 11:05:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 11:05:28,670 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 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 37 [2021-10-24 11:05:28,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:28,675 INFO L225 Difference]: With dead ends: 995 [2021-10-24 11:05:28,675 INFO L226 Difference]: Without dead ends: 743 [2021-10-24 11:05:28,678 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 163.7ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-24 11:05:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2021-10-24 11:05:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 259. [2021-10-24 11:05:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.317829457364341) internal successors, (340), 258 states have internal predecessors, (340), 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 11:05:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 340 transitions. [2021-10-24 11:05:28,728 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 340 transitions. Word has length 37 [2021-10-24 11:05:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:28,728 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 340 transitions. [2021-10-24 11:05:28,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 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 11:05:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 340 transitions. [2021-10-24 11:05:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 11:05:28,730 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:28,731 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, 1, 1, 1, 1] [2021-10-24 11:05:28,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:28,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:28,945 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 11:05:28,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:28,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2021-10-24 11:05:28,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:28,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7103332] [2021-10-24 11:05:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:28,945 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:28,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:28,946 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:28,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 11:05:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:29,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:05:29,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:29,395 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 11:05:29,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:29,527 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 11:05:29,528 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:29,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7103332] [2021-10-24 11:05:29,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7103332] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:29,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:05:29,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 11:05:29,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507124733] [2021-10-24 11:05:29,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:05:29,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:29,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:05:29,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:05:29,530 INFO L87 Difference]: Start difference. First operand 259 states and 340 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:29,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:29,667 INFO L93 Difference]: Finished difference Result 800 states and 1048 transitions. [2021-10-24 11:05:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:05:29,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 11:05:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:29,671 INFO L225 Difference]: With dead ends: 800 [2021-10-24 11:05:29,671 INFO L226 Difference]: Without dead ends: 548 [2021-10-24 11:05:29,672 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 59.5ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:05:29,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-10-24 11:05:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 271. [2021-10-24 11:05:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.3037037037037038) internal successors, (352), 270 states have internal predecessors, (352), 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 11:05:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 352 transitions. [2021-10-24 11:05:29,708 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 352 transitions. Word has length 58 [2021-10-24 11:05:29,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:29,708 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 352 transitions. [2021-10-24 11:05:29,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:05:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 352 transitions. [2021-10-24 11:05:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 11:05:29,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:29,710 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, 1, 1, 1, 1] [2021-10-24 11:05:29,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:29,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:29,923 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:05:29,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:29,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2021-10-24 11:05:29,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:29,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313643791] [2021-10-24 11:05:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:29,924 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:29,925 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 11:05:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:30,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:05:30,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:30,443 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 11:05:30,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:30,682 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 11:05:30,682 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:30,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313643791] [2021-10-24 11:05:30,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313643791] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:05:30,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1161333358] [2021-10-24 11:05:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:30,683 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:05:30,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:05:30,690 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:05:30,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-24 11:05:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:31,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:05:31,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:31,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:05:31,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:05:31,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1161333358] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:31,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:05:31,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-10-24 11:05:31,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702421044] [2021-10-24 11:05:31,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:05:31,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:31,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:05:31,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:05:31,458 INFO L87 Difference]: Start difference. First operand 271 states and 352 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 11:05:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:31,541 INFO L93 Difference]: Finished difference Result 471 states and 610 transitions. [2021-10-24 11:05:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:05:31,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-10-24 11:05:31,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:31,545 INFO L225 Difference]: With dead ends: 471 [2021-10-24 11:05:31,545 INFO L226 Difference]: Without dead ends: 469 [2021-10-24 11:05:31,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 49.2ms TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:05:31,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-10-24 11:05:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 323. [2021-10-24 11:05:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.3322981366459627) internal successors, (429), 322 states have internal predecessors, (429), 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 11:05:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 429 transitions. [2021-10-24 11:05:31,595 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 429 transitions. Word has length 58 [2021-10-24 11:05:31,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:31,596 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 429 transitions. [2021-10-24 11:05:31,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 11:05:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 429 transitions. [2021-10-24 11:05:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-24 11:05:31,597 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:31,597 INFO L512 BasicCegarLoop]: trace histogram [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 11:05:31,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:31,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:32,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 11:05:32,011 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:05:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:32,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2021-10-24 11:05:32,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:32,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965977389] [2021-10-24 11:05:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:32,013 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:32,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:32,014 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-24 11:05:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:32,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:05:32,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:05:32,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:05:32,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:32,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965977389] [2021-10-24 11:05:32,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965977389] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:05:32,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1402479895] [2021-10-24 11:05:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:32,930 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:05:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:05:32,935 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:05:32,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-10-24 11:05:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:33,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-24 11:05:33,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:05:33,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:05:34,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1402479895] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:05:34,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251771800] [2021-10-24 11:05:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:34,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:05:34,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:05:34,111 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:05:34,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-24 11:05:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:34,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 11:05:34,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:05:34,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:05:35,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251771800] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-24 11:05:35,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-24 11:05:35,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 6, 5, 8] total 15 [2021-10-24 11:05:35,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104151] [2021-10-24 11:05:35,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:05:35,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:35,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:05:35,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-24 11:05:35,161 INFO L87 Difference]: Start difference. First operand 323 states and 429 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 11:05:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:38,354 INFO L93 Difference]: Finished difference Result 1801 states and 2342 transitions. [2021-10-24 11:05:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 11:05:38,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 82 [2021-10-24 11:05:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:38,363 INFO L225 Difference]: With dead ends: 1801 [2021-10-24 11:05:38,363 INFO L226 Difference]: Without dead ends: 1485 [2021-10-24 11:05:38,364 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 346.6ms TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2021-10-24 11:05:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2021-10-24 11:05:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 386. [2021-10-24 11:05:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3584415584415583) internal successors, (523), 385 states have internal predecessors, (523), 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 11:05:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 523 transitions. [2021-10-24 11:05:38,428 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 523 transitions. Word has length 82 [2021-10-24 11:05:38,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:38,428 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 523 transitions. [2021-10-24 11:05:38,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 11:05:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 523 transitions. [2021-10-24 11:05:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-24 11:05:38,430 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:05:38,430 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-10-24 11:05:38,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:38,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:38,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-10-24 11:05:39,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:39,034 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:05:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:05:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash -145207002, now seen corresponding path program 1 times [2021-10-24 11:05:39,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:05:39,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863231705] [2021-10-24 11:05:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:39,035 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:05:39,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:05:39,036 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:05:39,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-24 11:05:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:39,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 11:05:39,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 11:05:39,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 11:05:40,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:05:40,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863231705] [2021-10-24 11:05:40,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863231705] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:05:40,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1128930344] [2021-10-24 11:05:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:05:40,003 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:05:40,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:05:40,005 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:05:40,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-24 11:05:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:05:40,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:05:40,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:05:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 11:05:40,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:05:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 11:05:40,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1128930344] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:05:40,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:05:40,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2021-10-24 11:05:40,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896613994] [2021-10-24 11:05:40,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:05:40,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:05:40,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:05:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:05:40,969 INFO L87 Difference]: Start difference. First operand 386 states and 523 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 11:05:42,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:05:42,285 INFO L93 Difference]: Finished difference Result 573 states and 763 transitions. [2021-10-24 11:05:42,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:05:42,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 83 [2021-10-24 11:05:42,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:05:42,286 INFO L225 Difference]: With dead ends: 573 [2021-10-24 11:05:42,286 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:05:42,287 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:05:42,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:05:42,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:05:42,288 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 11:05:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:05:42,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-24 11:05:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:05:42,289 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:05:42,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 11:05:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:05:42,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:05:42,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:05:42,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:05:42,293 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:05:42,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-10-24 11:05:42,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-24 11:05:42,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:05:42,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:05:42,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:42,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:44,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:44,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:45,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:46,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:47,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:05:48,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:02,879 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,880 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,880 INFO L853 garLoopResultBuilder]: At program point L101-6(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,880 INFO L853 garLoopResultBuilder]: At program point L101-7(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,880 INFO L853 garLoopResultBuilder]: At program point L101-8(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,880 INFO L853 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: false [2021-10-24 11:06:02,880 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-10-24 11:06:02,881 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 722 732) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 11:06:02,881 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 722 732) the Hoare annotation is: false [2021-10-24 11:06:02,881 INFO L853 garLoopResultBuilder]: At program point L729-3(lines 722 732) the Hoare annotation is: false [2021-10-24 11:06:02,881 INFO L853 garLoopResultBuilder]: At program point L729-4(lines 722 732) the Hoare annotation is: false [2021-10-24 11:06:02,881 INFO L853 garLoopResultBuilder]: At program point L729-5(lines 722 732) the Hoare annotation is: false [2021-10-24 11:06:02,882 INFO L860 garLoopResultBuilder]: At program point L995(lines 976 998) the Hoare annotation is: true [2021-10-24 11:06:02,882 INFO L853 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:02,882 INFO L853 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:02,882 INFO L853 garLoopResultBuilder]: At program point L832(lines 827 834) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:02,882 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2021-10-24 11:06:02,883 INFO L857 garLoopResultBuilder]: For program point L667-1(lines 667 684) no Hoare annotation was computed. [2021-10-24 11:06:02,883 INFO L857 garLoopResultBuilder]: For program point L667-2(lines 667 684) no Hoare annotation was computed. [2021-10-24 11:06:02,883 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 583) no Hoare annotation was computed. [2021-10-24 11:06:02,883 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-10-24 11:06:02,883 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-24 11:06:02,883 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-10-24 11:06:02,884 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-10-24 11:06:02,884 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-10-24 11:06:02,884 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-10-24 11:06:02,884 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-10-24 11:06:02,884 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-24 11:06:02,884 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-10-24 11:06:02,885 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2021-10-24 11:06:02,885 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 710) no Hoare annotation was computed. [2021-10-24 11:06:02,885 INFO L857 garLoopResultBuilder]: For program point L671-1(lines 671 679) no Hoare annotation was computed. [2021-10-24 11:06:02,885 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2021-10-24 11:06:02,885 INFO L857 garLoopResultBuilder]: For program point L704-4(lines 704 710) no Hoare annotation was computed. [2021-10-24 11:06:02,885 INFO L857 garLoopResultBuilder]: For program point L704-6(lines 704 710) no Hoare annotation was computed. [2021-10-24 11:06:02,886 INFO L857 garLoopResultBuilder]: For program point L704-8(lines 704 710) no Hoare annotation was computed. [2021-10-24 11:06:02,886 INFO L857 garLoopResultBuilder]: For program point L704-10(lines 704 710) no Hoare annotation was computed. [2021-10-24 11:06:02,886 INFO L853 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:02,886 INFO L853 garLoopResultBuilder]: At program point L738-1(lines 733 741) the Hoare annotation is: false [2021-10-24 11:06:02,886 INFO L853 garLoopResultBuilder]: At program point L738-2(lines 733 741) the Hoare annotation is: false [2021-10-24 11:06:02,886 INFO L857 garLoopResultBuilder]: For program point L541(lines 540 587) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L1004-2(line 1004) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L806-3(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:06:02,887 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L806-5(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L641-3(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:06:02,888 INFO L857 garLoopResultBuilder]: For program point L806-8(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:06:02,889 INFO L857 garLoopResultBuilder]: For program point L641-4(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:06:02,889 INFO L857 garLoopResultBuilder]: For program point L641-5(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:06:02,889 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-10-24 11:06:02,889 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-10-24 11:06:02,889 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-10-24 11:06:02,890 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-10-24 11:06:02,890 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-10-24 11:06:02,890 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-10-24 11:06:02,890 INFO L853 garLoopResultBuilder]: At program point L609(lines 608 627) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse5 .cse4))) [2021-10-24 11:06:02,890 INFO L857 garLoopResultBuilder]: For program point L609-1(lines 609 615) no Hoare annotation was computed. [2021-10-24 11:06:02,890 INFO L853 garLoopResultBuilder]: At program point L609-2(lines 608 627) the Hoare annotation is: false [2021-10-24 11:06:02,891 INFO L853 garLoopResultBuilder]: At program point L609-3(lines 608 627) the Hoare annotation is: false [2021-10-24 11:06:02,891 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-10-24 11:06:02,891 INFO L853 garLoopResultBuilder]: At program point L578-2(lines 609 615) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 .cse2 .cse5))) [2021-10-24 11:06:02,891 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2021-10-24 11:06:02,891 INFO L853 garLoopResultBuilder]: At program point L843-1(lines 1 1007) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 .cse5 .cse2 .cse6) (and .cse1 (or (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))))) [2021-10-24 11:06:02,892 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 843 860) no Hoare annotation was computed. [2021-10-24 11:06:02,892 INFO L853 garLoopResultBuilder]: At program point L843-3(lines 1 1007) the Hoare annotation is: false [2021-10-24 11:06:02,892 INFO L857 garLoopResultBuilder]: For program point L843-4(lines 843 860) no Hoare annotation was computed. [2021-10-24 11:06:02,892 INFO L853 garLoopResultBuilder]: At program point L843-5(lines 1 1007) the Hoare annotation is: false [2021-10-24 11:06:02,892 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:06:02,892 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:06:02,892 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:06:02,893 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:06:02,893 INFO L857 garLoopResultBuilder]: For program point L645-4(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:06:02,893 INFO L857 garLoopResultBuilder]: For program point L645-5(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:06:02,893 INFO L853 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse3 (or (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ~waterLevel~0 (_ bv1 32))))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-24 11:06:02,893 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 797 815) the Hoare annotation is: false [2021-10-24 11:06:02,893 INFO L853 garLoopResultBuilder]: At program point L812-2(lines 797 815) the Hoare annotation is: false [2021-10-24 11:06:02,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:06:02,894 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 857) no Hoare annotation was computed. [2021-10-24 11:06:02,894 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 857) no Hoare annotation was computed. [2021-10-24 11:06:02,894 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 857) no Hoare annotation was computed. [2021-10-24 11:06:02,894 INFO L853 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2021-10-24 11:06:02,894 INFO L853 garLoopResultBuilder]: At program point L616-1(lines 616 622) the Hoare annotation is: false [2021-10-24 11:06:02,895 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2021-10-24 11:06:02,895 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 622) the Hoare annotation is: false [2021-10-24 11:06:02,895 INFO L853 garLoopResultBuilder]: At program point L550-1(lines 550 556) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)))) [2021-10-24 11:06:02,895 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-24 11:06:02,895 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 854) no Hoare annotation was computed. [2021-10-24 11:06:02,895 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: false [2021-10-24 11:06:02,896 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 854) no Hoare annotation was computed. [2021-10-24 11:06:02,896 INFO L857 garLoopResultBuilder]: For program point L848-4(lines 848 854) no Hoare annotation was computed. [2021-10-24 11:06:02,896 INFO L857 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2021-10-24 11:06:02,896 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-24 11:06:02,896 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-10-24 11:06:02,896 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-10-24 11:06:02,896 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:06:02,897 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-24 11:06:02,897 INFO L857 garLoopResultBuilder]: For program point L918-1(lines 609 615) no Hoare annotation was computed. [2021-10-24 11:06:02,897 INFO L853 garLoopResultBuilder]: At program point L588(lines 539 589) the Hoare annotation is: false [2021-10-24 11:06:02,897 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,897 INFO L857 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,897 INFO L857 garLoopResultBuilder]: For program point L787-3(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-5(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-6(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-8(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-9(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-11(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-12(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,898 INFO L857 garLoopResultBuilder]: For program point L787-14(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,899 INFO L857 garLoopResultBuilder]: For program point L787-15(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,899 INFO L857 garLoopResultBuilder]: For program point L787-17(lines 787 791) no Hoare annotation was computed. [2021-10-24 11:06:02,899 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:06:02,899 INFO L857 garLoopResultBuilder]: For program point L986(lines 986 993) no Hoare annotation was computed. [2021-10-24 11:06:02,899 INFO L860 garLoopResultBuilder]: At program point L986-1(lines 986 993) the Hoare annotation is: true [2021-10-24 11:06:02,899 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-10-24 11:06:02,900 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-10-24 11:06:02,900 INFO L853 garLoopResultBuilder]: At program point L890(lines 1 1007) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:02,900 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-10-24 11:06:02,900 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 566) no Hoare annotation was computed. [2021-10-24 11:06:02,900 INFO L853 garLoopResultBuilder]: At program point L560-1(lines 560 566) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 .cse2 .cse5))) [2021-10-24 11:06:02,900 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:06:02,901 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-10-24 11:06:02,901 INFO L853 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: false [2021-10-24 11:06:02,901 INFO L853 garLoopResultBuilder]: At program point L793-1(lines 778 796) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse2 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse8 .cse4 .cse9 .cse6))) [2021-10-24 11:06:02,901 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 778 796) the Hoare annotation is: false [2021-10-24 11:06:02,901 INFO L853 garLoopResultBuilder]: At program point L793-3(lines 778 796) the Hoare annotation is: false [2021-10-24 11:06:02,902 INFO L853 garLoopResultBuilder]: At program point L793-4(lines 778 796) the Hoare annotation is: false [2021-10-24 11:06:02,902 INFO L853 garLoopResultBuilder]: At program point L793-5(lines 778 796) the Hoare annotation is: false [2021-10-24 11:06:02,902 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,902 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-10-24 11:06:02,902 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4))) [2021-10-24 11:06:02,902 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-10-24 11:06:02,907 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:06:02,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:06:02 BoogieIcfgContainer [2021-10-24 11:06:02,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:06:02,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:06:02,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:06:02,948 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:06:02,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:05:18" (3/4) ... [2021-10-24 11:06:02,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:06:02,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:06:02,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:06:02,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:06:02,976 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:06:02,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:06:02,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:06:02,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:06:03,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp)) || (methAndRunningLastTime == 0bv32 && ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning))) [2021-10-24 11:06:03,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) [2021-10-24 11:06:03,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:03,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) [2021-10-24 11:06:03,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:03,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:03,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp___0 == 1bv32) && tmp == 0bv32) [2021-10-24 11:06:03,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:03,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:03,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:03,076 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:06:03,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:06:03,078 INFO L168 Benchmark]: Toolchain (without parser) took 48332.22 ms. Allocated memory was 52.4 MB in the beginning and 559.9 MB in the end (delta: 507.5 MB). Free memory was 28.0 MB in the beginning and 515.5 MB in the end (delta: -487.6 MB). Peak memory consumption was 354.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,078 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:06:03,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.29 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 27.8 MB in the beginning and 42.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.27 ms. Allocated memory is still 69.2 MB. Free memory was 42.9 MB in the beginning and 38.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,080 INFO L168 Benchmark]: Boogie Preprocessor took 103.04 ms. Allocated memory is still 69.2 MB. Free memory was 38.8 MB in the beginning and 50.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,080 INFO L168 Benchmark]: RCFGBuilder took 2337.29 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 33.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,080 INFO L168 Benchmark]: TraceAbstraction took 44829.76 ms. Allocated memory was 69.2 MB in the beginning and 559.9 MB in the end (delta: 490.7 MB). Free memory was 33.1 MB in the beginning and 194.6 MB in the end (delta: -161.6 MB). Peak memory consumption was 335.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,081 INFO L168 Benchmark]: Witness Printer took 129.15 ms. Allocated memory is still 559.9 MB. Free memory was 194.6 MB in the beginning and 515.5 MB in the end (delta: -320.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:03,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 803.29 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 27.8 MB in the beginning and 42.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.27 ms. Allocated memory is still 69.2 MB. Free memory was 42.9 MB in the beginning and 38.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.04 ms. Allocated memory is still 69.2 MB. Free memory was 38.8 MB in the beginning and 50.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2337.29 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 33.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44829.76 ms. Allocated memory was 69.2 MB in the beginning and 559.9 MB in the end (delta: 490.7 MB). Free memory was 33.1 MB in the beginning and 194.6 MB in the end (delta: -161.6 MB). Peak memory consumption was 335.2 MB. Max. memory is 16.1 GB. * Witness Printer took 129.15 ms. Allocated memory is still 559.9 MB. Free memory was 194.6 MB in the beginning and 515.5 MB in the end (delta: -320.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: 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, 139 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 44722.5ms, OverallIterations: 14, TraceHistogramMax: 3, EmptinessCheckTime: 48.3ms, AutomataDifference: 8335.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20182.6ms, InitialAbstractionConstructionTime: 16.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1621 SDtfs, 2518 SDslu, 3768 SDs, 0 SdLazy, 446 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6658.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1776 GetRequests, 1684 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 830.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=13, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 451.0ms AutomataMinimizationTime, 14 MinimizatonAttempts, 3497 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 131 NumberOfFragments, 858 HoareAnnotationTreeSize, 56 FomulaSimplifications, 17463629 FormulaSimplificationTreeSizeReduction, 5685.0ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 3622510 FormulaSimplificationTreeSizeReductionInter, 14480.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 442.5ms SsaConstructionTime, 1991.6ms SatisfiabilityAnalysisTime, 5768.2ms InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 3356 SizeOfPredicates, 40 NumberOfNonLiveVariables, 4278 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 560/608 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: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) && tmp == 0bv32) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp___0 == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp)) || (methAndRunningLastTime == 0bv32 && ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning))) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:06:03,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935c78ed-e972-44d3-aebd-0db717fb1685/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...