./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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 e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 ............................................................................................................................................ 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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 e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:03:25,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:03:25,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:03:25,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:03:25,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:03:25,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:03:25,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:03:25,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:03:25,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:03:25,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:03:25,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:03:25,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:03:25,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:03:25,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:03:25,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:03:25,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:03:25,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:03:25,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:03:25,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:03:25,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:03:25,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:03:25,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:03:25,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:03:25,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:03:25,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:03:25,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:03:25,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:03:25,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:03:25,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:03:25,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:03:25,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:03:25,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:03:25,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:03:25,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:03:25,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:03:25,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:03:25,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:03:25,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:03:25,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:03:25,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:03:25,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:03:25,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:03:25,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:03:25,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:03:25,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:03:25,426 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:03:25,427 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:03:25,427 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:03:25,427 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:03:25,427 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:03:25,427 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:03:25,428 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:03:25,428 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:03:25,428 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:03:25,428 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:03:25,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:03:25,429 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:03:25,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:03:25,430 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:03:25,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:03:25,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:03:25,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:03:25,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:03:25,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:03:25,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:03:25,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:03:25,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:03:25,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:03:25,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:03:25,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:03:25,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:03:25,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:03:25,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:03:25,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:03:25,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:03:25,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:03:25,434 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:03:25,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:03:25,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:03:25,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:03:25,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:03:25,435 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 [2021-10-24 11:03:25,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:03:25,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:03:25,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:03:25,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:03:25,784 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:03:25,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-24 11:03:25,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/e5a9bedb3/876da4cf7db14d11ae3029d5228be724/FLAGc028a3162 [2021-10-24 11:03:26,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:03:26,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-24 11:03:26,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/e5a9bedb3/876da4cf7db14d11ae3029d5228be724/FLAGc028a3162 [2021-10-24 11:03:26,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/e5a9bedb3/876da4cf7db14d11ae3029d5228be724 [2021-10-24 11:03:26,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:03:26,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:03:26,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:26,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:03:26,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:03:26,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:26" (1/1) ... [2021-10-24 11:03:26,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6ca3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:26, skipping insertion in model container [2021-10-24 11:03:26,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:26" (1/1) ... [2021-10-24 11:03:26,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:03:26,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:03:27,229 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18537,18550] [2021-10-24 11:03:27,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:27,246 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 11:03:27,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@582f065c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:27, skipping insertion in model container [2021-10-24 11:03:27,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:27,247 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:03:27,250 INFO L168 Benchmark]: Toolchain (without parser) took 449.61 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 84.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:03:27,251 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 111.1 MB. Free memory was 89.7 MB in the beginning and 89.7 MB in the end (delta: 57.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:03:27,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.54 ms. Allocated memory is still 111.1 MB. Free memory was 71.6 MB in the beginning and 84.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:03:27,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 111.1 MB. Free memory was 89.7 MB in the beginning and 89.7 MB in the end (delta: 57.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.54 ms. Allocated memory is still 111.1 MB. Free memory was 71.6 MB in the beginning and 84.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:03:29,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:03:29,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:03:29,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:03:29,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:03:29,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:03:29,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:03:30,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:03:30,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:03:30,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:03:30,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:03:30,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:03:30,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:03:30,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:03:30,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:03:30,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:03:30,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:03:30,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:03:30,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:03:30,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:03:30,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:03:30,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:03:30,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:03:30,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:03:30,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:03:30,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:03:30,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:03:30,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:03:30,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:03:30,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:03:30,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:03:30,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:03:30,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:03:30,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:03:30,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:03:30,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:03:30,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:03:30,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:03:30,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:03:30,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:03:30,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:03:30,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:03:30,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:03:30,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:03:30,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:03:30,140 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:03:30,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:03:30,141 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:03:30,141 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:03:30,141 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:03:30,142 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:03:30,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:03:30,145 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:03:30,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:03:30,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:03:30,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:03:30,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:03:30,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:03:30,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:03:30,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:03:30,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:03:30,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:03:30,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:03:30,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:03:30,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:03:30,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:03:30,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:03:30,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:03:30,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:03:30,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:03:30,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:03:30,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:03:30,151 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:03:30,151 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:30,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:03:30,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:03:30,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:03:30,152 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5a4c274bc0fec0eeea8ea2f72c4bc5bbc7aef2fd24f2cf907e22c2c7f3759d4 [2021-10-24 11:03:30,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:03:30,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:03:30,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:03:30,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:03:30,614 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:03:30,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-24 11:03:30,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/29d562196/50a4a9e537bb4b5ea7bc1431d43cd602/FLAG7ef5c46fb [2021-10-24 11:03:31,420 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:03:31,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-24 11:03:31,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/29d562196/50a4a9e537bb4b5ea7bc1431d43cd602/FLAG7ef5c46fb [2021-10-24 11:03:31,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/data/29d562196/50a4a9e537bb4b5ea7bc1431d43cd602 [2021-10-24 11:03:31,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:03:31,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:03:31,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:31,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:03:31,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:03:31,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:31" (1/1) ... [2021-10-24 11:03:31,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58426e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:31, skipping insertion in model container [2021-10-24 11:03:31,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:31" (1/1) ... [2021-10-24 11:03:31,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:03:31,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:03:32,214 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18537,18550] [2021-10-24 11:03:32,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:32,232 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:03:32,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:03:32,357 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18537,18550] [2021-10-24 11:03:32,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:32,379 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:03:32,475 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_f986e5a5-13ab-480d-a225-ae2e730bc3ab/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18537,18550] [2021-10-24 11:03:32,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:32,505 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:03:32,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32 WrapperNode [2021-10-24 11:03:32,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:32,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:03:32,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:03:32,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:03:32,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:03:32,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:03:32,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:03:32,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:03:32,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:03:32,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:03:32,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:03:32,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:03:32,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (1/1) ... [2021-10-24 11:03:32,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:03:32,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:03:32,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:03:32,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:03:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:03:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:03:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:03:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:03:35,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:03:35,485 INFO L299 CfgBuilder]: Removed 132 assume(true) statements. [2021-10-24 11:03:35,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:35 BoogieIcfgContainer [2021-10-24 11:03:35,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:03:35,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:03:35,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:03:35,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:03:35,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:03:31" (1/3) ... [2021-10-24 11:03:35,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9aafbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:35, skipping insertion in model container [2021-10-24 11:03:35,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:32" (2/3) ... [2021-10-24 11:03:35,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9aafbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:35, skipping insertion in model container [2021-10-24 11:03:35,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:35" (3/3) ... [2021-10-24 11:03:35,498 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2021-10-24 11:03:35,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:03:35,520 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:03:35,605 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:03:35,616 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 11:03:35,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:03:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 11:03:35,667 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:35,668 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 11:03:35,669 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 11:03:35,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:35,676 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2021-10-24 11:03:35,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:35,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013538637] [2021-10-24 11:03:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:35,697 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:35,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:35,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:35,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:03:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:35,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:03:36,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:36,151 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 11:03:36,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:36,242 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 11:03:36,243 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:36,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013538637] [2021-10-24 11:03:36,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013538637] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:36,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:36,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:03:36,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283032524] [2021-10-24 11:03:36,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:03:36,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:36,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:03:36,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:03:36,281 INFO L87 Difference]: Start difference. First operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 11:03:36,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:36,341 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-24 11:03:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:03:36,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 11:03:36,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:36,357 INFO L225 Difference]: With dead ends: 189 [2021-10-24 11:03:36,357 INFO L226 Difference]: Without dead ends: 94 [2021-10-24 11:03:36,361 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:03:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-24 11:03:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-24 11:03:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 93 states have internal predecessors, (132), 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 11:03:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-24 11:03:36,432 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-24 11:03:36,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:36,433 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-24 11:03:36,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 11:03:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-24 11:03:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 11:03:36,437 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:36,437 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] [2021-10-24 11:03:36,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 11:03:36,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:36,652 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 11:03:36,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:36,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2021-10-24 11:03:36,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:36,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465966342] [2021-10-24 11:03:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:36,658 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:36,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:36,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:03:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:36,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:36,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:37,025 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 11:03:37,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:37,110 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 11:03:37,111 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:37,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465966342] [2021-10-24 11:03:37,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465966342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:37,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:37,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:03:37,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330212588] [2021-10-24 11:03:37,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:03:37,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:37,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:03:37,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:37,121 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 11:03:37,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:37,150 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-24 11:03:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:03:37,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-10-24 11:03:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:37,153 INFO L225 Difference]: With dead ends: 94 [2021-10-24 11:03:37,153 INFO L226 Difference]: Without dead ends: 43 [2021-10-24 11:03:37,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:37,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-24 11:03:37,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-24 11:03:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 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 11:03:37,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-24 11:03:37,173 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-24 11:03:37,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:37,174 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-24 11:03:37,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 11:03:37,175 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-24 11:03:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 11:03:37,176 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:37,180 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 11:03:37,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:37,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:37,400 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 11:03:37,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:37,401 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2021-10-24 11:03:37,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:37,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264512561] [2021-10-24 11:03:37,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:37,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:37,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:37,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:37,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:03:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:37,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:37,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:37,836 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 11:03:37,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:37,972 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 11:03:37,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:37,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264512561] [2021-10-24 11:03:37,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264512561] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:37,973 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:37,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:03:37,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709629498] [2021-10-24 11:03:37,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:03:37,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:37,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:03:37,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:37,976 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:38,030 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2021-10-24 11:03:38,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:03:38,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 11:03:38,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:38,035 INFO L225 Difference]: With dead ends: 141 [2021-10-24 11:03:38,035 INFO L226 Difference]: Without dead ends: 105 [2021-10-24 11:03:38,036 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-24 11:03:38,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2021-10-24 11:03:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.453125) internal successors, (93), 64 states have internal predecessors, (93), 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 11:03:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2021-10-24 11:03:38,059 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2021-10-24 11:03:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:38,060 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2021-10-24 11:03:38,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2021-10-24 11:03:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 11:03:38,062 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:38,062 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] [2021-10-24 11:03:38,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:38,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:38,263 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 11:03:38,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:38,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2021-10-24 11:03:38,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:38,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478612641] [2021-10-24 11:03:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:38,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:38,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:38,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:38,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:03:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:38,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:38,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:38,667 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 11:03:38,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:38,755 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 11:03:38,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:38,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478612641] [2021-10-24 11:03:38,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478612641] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:38,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:38,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:03:38,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377569445] [2021-10-24 11:03:38,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:03:38,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:38,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:03:38,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:03:38,760 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 11:03:38,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:38,843 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2021-10-24 11:03:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:03:38,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 27 [2021-10-24 11:03:38,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:38,845 INFO L225 Difference]: With dead ends: 147 [2021-10-24 11:03:38,845 INFO L226 Difference]: Without dead ends: 89 [2021-10-24 11:03:38,846 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:03:38,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-24 11:03:38,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-24 11:03:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-24 11:03:38,878 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2021-10-24 11:03:38,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:38,879 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-24 11:03:38,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 11:03:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-24 11:03:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 11:03:38,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:38,883 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:38,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:39,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:39,099 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 11:03:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:39,100 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2021-10-24 11:03:39,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:39,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348062489] [2021-10-24 11:03:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:39,102 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:39,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:39,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:03:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:39,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:39,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:39,460 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 11:03:39,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:39,536 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 11:03:39,536 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:39,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348062489] [2021-10-24 11:03:39,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348062489] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:39,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:39,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:03:39,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157566368] [2021-10-24 11:03:39,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:03:39,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:39,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:03:39,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:03:39,540 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 11:03:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:39,726 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2021-10-24 11:03:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:03:39,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-10-24 11:03:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:39,728 INFO L225 Difference]: With dead ends: 288 [2021-10-24 11:03:39,729 INFO L226 Difference]: Without dead ends: 208 [2021-10-24 11:03:39,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 59.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:03:39,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-24 11:03:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2021-10-24 11:03:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 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 11:03:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2021-10-24 11:03:39,744 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2021-10-24 11:03:39,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:39,745 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2021-10-24 11:03:39,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 11:03:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2021-10-24 11:03:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 11:03:39,747 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:39,747 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 11:03:39,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:39,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:39,970 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 11:03:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:39,971 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2021-10-24 11:03:39,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:39,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506801261] [2021-10-24 11:03:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:39,972 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:39,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:39,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:03:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:40,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:40,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:40,511 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 11:03:40,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:40,624 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 11:03:40,625 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:40,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506801261] [2021-10-24 11:03:40,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506801261] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:40,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:40,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:03:40,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922464713] [2021-10-24 11:03:40,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:03:40,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:40,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:03:40,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:03:40,631 INFO L87 Difference]: Start difference. First operand 85 states and 116 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 11:03:40,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:40,698 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2021-10-24 11:03:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:03:40,699 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 11:03:40,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:40,701 INFO L225 Difference]: With dead ends: 251 [2021-10-24 11:03:40,702 INFO L226 Difference]: Without dead ends: 173 [2021-10-24 11:03:40,704 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:03:40,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-24 11:03:40,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2021-10-24 11:03:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 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 11:03:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-10-24 11:03:40,719 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2021-10-24 11:03:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:40,722 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-10-24 11:03:40,723 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 11:03:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-10-24 11:03:40,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 11:03:40,730 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:40,731 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 11:03:40,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:40,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:40,946 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 11:03:40,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:40,947 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2021-10-24 11:03:40,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:40,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231635584] [2021-10-24 11:03:40,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:40,948 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:40,950 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:40,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:03:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:41,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:03:41,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:41,351 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 11:03:41,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:41,462 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 11:03:41,462 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:41,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231635584] [2021-10-24 11:03:41,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231635584] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:41,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:41,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:03:41,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128553694] [2021-10-24 11:03:41,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:03:41,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:41,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:03:41,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:03:41,467 INFO L87 Difference]: Start difference. First operand 88 states and 119 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 11:03:41,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:41,528 INFO L93 Difference]: Finished difference Result 260 states and 353 transitions. [2021-10-24 11:03:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:03:41,529 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 11:03:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:41,531 INFO L225 Difference]: With dead ends: 260 [2021-10-24 11:03:41,531 INFO L226 Difference]: Without dead ends: 179 [2021-10-24 11:03:41,534 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:03:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-10-24 11:03:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 90. [2021-10-24 11:03:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2021-10-24 11:03:41,556 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2021-10-24 11:03:41,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:41,558 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2021-10-24 11:03:41,558 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 11:03:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-10-24 11:03:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 11:03:41,562 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:41,562 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 11:03:41,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:41,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:41,779 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 11:03:41,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:41,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2021-10-24 11:03:41,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:41,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081500840] [2021-10-24 11:03:41,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:41,781 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:41,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:41,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:41,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:03:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:42,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:42,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:42,275 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 11:03:42,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:42,411 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 11:03:42,412 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:42,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081500840] [2021-10-24 11:03:42,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081500840] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:42,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:42,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:03:42,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842861330] [2021-10-24 11:03:42,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:03:42,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:42,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:03:42,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:42,415 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 11:03:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:42,484 INFO L93 Difference]: Finished difference Result 295 states and 401 transitions. [2021-10-24 11:03:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:03:42,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 11:03:42,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:42,486 INFO L225 Difference]: With dead ends: 295 [2021-10-24 11:03:42,487 INFO L226 Difference]: Without dead ends: 212 [2021-10-24 11:03:42,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:42,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-24 11:03:42,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 161. [2021-10-24 11:03:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.35625) internal successors, (217), 160 states have internal predecessors, (217), 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 11:03:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 217 transitions. [2021-10-24 11:03:42,515 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 217 transitions. Word has length 36 [2021-10-24 11:03:42,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:42,515 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 217 transitions. [2021-10-24 11:03:42,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 11:03:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2021-10-24 11:03:42,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 11:03:42,517 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:42,517 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 11:03:42,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:42,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:42,742 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 11:03:42,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:42,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2021-10-24 11:03:42,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:42,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502659687] [2021-10-24 11:03:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:42,744 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:42,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:42,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:42,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:03:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:43,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 11:03:43,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:43,246 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 11:03:43,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:43,415 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 11:03:43,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:43,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502659687] [2021-10-24 11:03:43,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502659687] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:43,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:43,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:03:43,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438147221] [2021-10-24 11:03:43,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:03:43,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:43,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:03:43,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:03:43,418 INFO L87 Difference]: Start difference. First operand 161 states and 217 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:45,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:45,319 INFO L93 Difference]: Finished difference Result 800 states and 1093 transitions. [2021-10-24 11:03:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 11:03:45,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-24 11:03:45,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:45,325 INFO L225 Difference]: With dead ends: 800 [2021-10-24 11:03:45,325 INFO L226 Difference]: Without dead ends: 646 [2021-10-24 11:03:45,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 82.1ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 11:03:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2021-10-24 11:03:45,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 304. [2021-10-24 11:03:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 303 states have internal predecessors, (405), 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 11:03:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 405 transitions. [2021-10-24 11:03:45,415 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 405 transitions. Word has length 37 [2021-10-24 11:03:45,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:45,417 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 405 transitions. [2021-10-24 11:03:45,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 405 transitions. [2021-10-24 11:03:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 11:03:45,419 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:45,419 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:45,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:45,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:45,635 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 11:03:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:45,636 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2021-10-24 11:03:45,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:45,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41873161] [2021-10-24 11:03:45,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:45,637 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:45,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:45,638 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:45,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:03:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:46,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:46,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:46,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:46,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:46,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41873161] [2021-10-24 11:03:46,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41873161] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:46,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [506188089] [2021-10-24 11:03:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:46,439 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:46,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:03:46,442 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:03:46,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 11:03:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:46,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 11:03:46,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:47,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:47,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [506188089] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:47,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430508155] [2021-10-24 11:03:47,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:47,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:03:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:03:47,277 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:03:47,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 11:03:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:47,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:47,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:47,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:47,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430508155] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:47,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 11:03:47,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-24 11:03:47,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286188145] [2021-10-24 11:03:47,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:03:47,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:47,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:03:47,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:03:47,975 INFO L87 Difference]: Start difference. First operand 304 states and 405 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:52,465 INFO L93 Difference]: Finished difference Result 674 states and 905 transitions. [2021-10-24 11:03:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 11:03:52,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 11:03:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:52,468 INFO L225 Difference]: With dead ends: 674 [2021-10-24 11:03:52,468 INFO L226 Difference]: Without dead ends: 377 [2021-10-24 11:03:52,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 115.4ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-10-24 11:03:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-24 11:03:52,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 310. [2021-10-24 11:03:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.2944983818770226) internal successors, (400), 309 states have internal predecessors, (400), 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 11:03:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 400 transitions. [2021-10-24 11:03:52,515 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 400 transitions. Word has length 54 [2021-10-24 11:03:52,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:52,516 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 400 transitions. [2021-10-24 11:03:52,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 400 transitions. [2021-10-24 11:03:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-24 11:03:52,518 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:52,519 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-24 11:03:52,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:52,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-24 11:03:52,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:53,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:53,133 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 11:03:53,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:53,133 INFO L82 PathProgramCache]: Analyzing trace with hash 620647972, now seen corresponding path program 1 times [2021-10-24 11:03:53,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:53,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610408466] [2021-10-24 11:03:53,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:53,135 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:53,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:53,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:53,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 11:03:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:53,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:03:53,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 11:03:53,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 11:03:54,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:54,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610408466] [2021-10-24 11:03:54,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610408466] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:54,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [40743234] [2021-10-24 11:03:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:54,398 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:54,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:03:54,400 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:03:54,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 11:03:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:54,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:54,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 11:03:55,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 11:03:55,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [40743234] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:55,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:03:55,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-10-24 11:03:55,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327453638] [2021-10-24 11:03:55,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:03:55,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:03:55,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 11:03:55,436 INFO L87 Difference]: Start difference. First operand 310 states and 400 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 11:03:57,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:57,273 INFO L93 Difference]: Finished difference Result 551 states and 712 transitions. [2021-10-24 11:03:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:03:57,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 99 [2021-10-24 11:03:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:57,275 INFO L225 Difference]: With dead ends: 551 [2021-10-24 11:03:57,275 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:03:57,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 83.8ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 11:03:57,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:03:57,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:03:57,277 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 11:03:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:03:57,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2021-10-24 11:03:57,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:57,278 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:03:57,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 11:03:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:03:57,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:03:57,282 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:03:57,283 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:03:57,283 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:03:57,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-10-24 11:03:57,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:57,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:57,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:03:57,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:57,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:57,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:57,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:58,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:59,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:59,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:59,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:59,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:59,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:04:04,416 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-24 11:04:04,416 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-24 11:04:04,416 INFO L857 garLoopResultBuilder]: For program point L432-1(lines 432 436) no Hoare annotation was computed. [2021-10-24 11:04:04,417 INFO L853 garLoopResultBuilder]: At program point L581(lines 532 582) the Hoare annotation is: false [2021-10-24 11:04:04,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:04:04,417 INFO L853 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,417 INFO L853 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not .cse6)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2 .cse4) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse5) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse5) (and .cse0 .cse3 .cse2 .cse4 .cse5)))) [2021-10-24 11:04:04,417 INFO L853 garLoopResultBuilder]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-10-24 11:04:04,417 INFO L853 garLoopResultBuilder]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-10-24 11:04:04,417 INFO L853 garLoopResultBuilder]: At program point L616(lines 616 622) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not .cse4))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse5 .cse2)))) [2021-10-24 11:04:04,418 INFO L853 garLoopResultBuilder]: At program point L616-1(lines 616 622) the Hoare annotation is: false [2021-10-24 11:04:04,418 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 622) the Hoare annotation is: false [2021-10-24 11:04:04,418 INFO L860 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-10-24 11:04:04,418 INFO L853 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,418 INFO L853 garLoopResultBuilder]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2021-10-24 11:04:04,418 INFO L853 garLoopResultBuilder]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2021-10-24 11:04:04,419 INFO L857 garLoopResultBuilder]: For program point L534(lines 533 580) no Hoare annotation was computed. [2021-10-24 11:04:04,419 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-24 11:04:04,419 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-24 11:04:04,419 INFO L857 garLoopResultBuilder]: For program point L914-4(lines 914 924) no Hoare annotation was computed. [2021-10-24 11:04:04,419 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-24 11:04:04,419 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2021-10-24 11:04:04,420 INFO L857 garLoopResultBuilder]: For program point L915-2(lines 915 921) no Hoare annotation was computed. [2021-10-24 11:04:04,420 INFO L857 garLoopResultBuilder]: For program point L915-4(lines 915 921) no Hoare annotation was computed. [2021-10-24 11:04:04,420 INFO L853 garLoopResultBuilder]: At program point L899(lines 609 615) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse1 .cse3) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse3) (and .cse0 .cse2 .cse4 .cse3)))) [2021-10-24 11:04:04,420 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 609 615) the Hoare annotation is: false [2021-10-24 11:04:04,420 INFO L853 garLoopResultBuilder]: At program point L899-2(lines 609 615) the Hoare annotation is: false [2021-10-24 11:04:04,420 INFO L853 garLoopResultBuilder]: At program point L767(lines 752 770) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-24 11:04:04,420 INFO L853 garLoopResultBuilder]: At program point L767-1(lines 752 770) the Hoare annotation is: false [2021-10-24 11:04:04,421 INFO L853 garLoopResultBuilder]: At program point L767-2(lines 752 770) the Hoare annotation is: false [2021-10-24 11:04:04,421 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-10-24 11:04:04,421 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 11:04:04,421 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-24 11:04:04,421 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 11:04:04,421 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:04:04,421 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:04:04,422 INFO L853 garLoopResultBuilder]: At program point L703(lines 696 706) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,422 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 696 706) the Hoare annotation is: false [2021-10-24 11:04:04,422 INFO L853 garLoopResultBuilder]: At program point L703-2(lines 696 706) the Hoare annotation is: false [2021-10-24 11:04:04,422 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-24 11:04:04,422 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:04:04,422 INFO L857 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-10-24 11:04:04,422 INFO L857 garLoopResultBuilder]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2021-10-24 11:04:04,422 INFO L857 garLoopResultBuilder]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2021-10-24 11:04:04,422 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L860 garLoopResultBuilder]: At program point L508-1(lines 508 515) the Hoare annotation is: true [2021-10-24 11:04:04,423 INFO L853 garLoopResultBuilder]: At program point L954(lines 1 974) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L971(line 971) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L971-1(line 971) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L971-2(line 971) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:04:04,423 INFO L857 garLoopResultBuilder]: For program point L641-2(lines 641 658) no Hoare annotation was computed. [2021-10-24 11:04:04,424 INFO L853 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,424 INFO L853 garLoopResultBuilder]: At program point L609(lines 605 627) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 11:04:04,424 INFO L853 garLoopResultBuilder]: At program point L609-1(lines 605 627) the Hoare annotation is: false [2021-10-24 11:04:04,424 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-10-24 11:04:04,425 INFO L853 garLoopResultBuilder]: At program point L609-2(lines 605 627) the Hoare annotation is: false [2021-10-24 11:04:04,425 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 11:04:04,425 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2021-10-24 11:04:04,425 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 781) no Hoare annotation was computed. [2021-10-24 11:04:04,425 INFO L853 garLoopResultBuilder]: At program point L775-1(lines 775 781) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,426 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:04:04,426 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-24 11:04:04,426 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-24 11:04:04,426 INFO L853 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:04,427 INFO L853 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 11:04:04,427 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2021-10-24 11:04:04,427 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2021-10-24 11:04:04,427 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 684) no Hoare annotation was computed. [2021-10-24 11:04:04,427 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:04:04,428 INFO L857 garLoopResultBuilder]: For program point L645-1(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:04:04,428 INFO L857 garLoopResultBuilder]: For program point L678-2(lines 678 684) no Hoare annotation was computed. [2021-10-24 11:04:04,428 INFO L857 garLoopResultBuilder]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2021-10-24 11:04:04,428 INFO L857 garLoopResultBuilder]: For program point L678-4(lines 678 684) no Hoare annotation was computed. [2021-10-24 11:04:04,428 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-24 11:04:04,428 INFO L857 garLoopResultBuilder]: For program point L761(lines 761 765) no Hoare annotation was computed. [2021-10-24 11:04:04,429 INFO L857 garLoopResultBuilder]: For program point L761-2(lines 761 765) no Hoare annotation was computed. [2021-10-24 11:04:04,429 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-10-24 11:04:04,429 INFO L857 garLoopResultBuilder]: For program point L761-3(lines 761 765) no Hoare annotation was computed. [2021-10-24 11:04:04,429 INFO L857 garLoopResultBuilder]: For program point L761-5(lines 761 765) no Hoare annotation was computed. [2021-10-24 11:04:04,429 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-10-24 11:04:04,430 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 576) no Hoare annotation was computed. [2021-10-24 11:04:04,430 INFO L857 garLoopResultBuilder]: For program point L761-6(lines 761 765) no Hoare annotation was computed. [2021-10-24 11:04:04,430 INFO L857 garLoopResultBuilder]: For program point L761-8(lines 761 765) no Hoare annotation was computed. [2021-10-24 11:04:04,430 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2021-10-24 11:04:04,430 INFO L853 garLoopResultBuilder]: At program point L910-1(lines 1 974) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2)))) [2021-10-24 11:04:04,431 INFO L857 garLoopResultBuilder]: For program point L910-2(lines 910 927) no Hoare annotation was computed. [2021-10-24 11:04:04,431 INFO L853 garLoopResultBuilder]: At program point L910-3(lines 1 974) the Hoare annotation is: false [2021-10-24 11:04:04,431 INFO L857 garLoopResultBuilder]: For program point L910-4(lines 910 927) no Hoare annotation was computed. [2021-10-24 11:04:04,431 INFO L853 garLoopResultBuilder]: At program point L910-5(lines 1 974) the Hoare annotation is: false [2021-10-24 11:04:04,432 INFO L853 garLoopResultBuilder]: At program point L712(lines 707 715) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3)))) [2021-10-24 11:04:04,432 INFO L853 garLoopResultBuilder]: At program point L712-1(lines 707 715) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse3) (and .cse0 .cse2 .cse4 .cse3)))) [2021-10-24 11:04:04,432 INFO L853 garLoopResultBuilder]: At program point L712-2(lines 707 715) the Hoare annotation is: false [2021-10-24 11:04:04,432 INFO L853 garLoopResultBuilder]: At program point L712-3(lines 707 715) the Hoare annotation is: false [2021-10-24 11:04:04,432 INFO L853 garLoopResultBuilder]: At program point L712-4(lines 707 715) the Hoare annotation is: false [2021-10-24 11:04:04,433 INFO L853 garLoopResultBuilder]: At program point L712-5(lines 707 715) the Hoare annotation is: false [2021-10-24 11:04:04,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:04:04,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:04:04 BoogieIcfgContainer [2021-10-24 11:04:04,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:04:04,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:04:04,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:04:04,525 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:04:04,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:35" (3/4) ... [2021-10-24 11:04:04,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:04:04,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:04:04,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:04:04,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:04:04,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:04:04,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:04:04,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:04:04,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:04:04,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp) || ((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-24 11:04:04,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,620 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:04,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:04:04,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:04:04,676 INFO L168 Benchmark]: Toolchain (without parser) took 33027.94 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 48.1 MB in the beginning and 31.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,676 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:04:04,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.09 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 35.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.35 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,679 INFO L168 Benchmark]: Boogie Preprocessor took 62.84 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 32.2 MB in the beginning and 76.6 MB in the end (delta: -44.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,679 INFO L168 Benchmark]: RCFGBuilder took 2803.16 ms. Allocated memory is still 94.4 MB. Free memory was 76.2 MB in the beginning and 52.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,680 INFO L168 Benchmark]: TraceAbstraction took 29034.17 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 40.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,680 INFO L168 Benchmark]: Witness Printer took 149.03 ms. Allocated memory is still 119.5 MB. Free memory was 40.1 MB in the beginning and 31.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:04,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 860.09 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 35.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.35 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.84 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 32.2 MB in the beginning and 76.6 MB in the end (delta: -44.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2803.16 ms. Allocated memory is still 94.4 MB. Free memory was 76.2 MB in the beginning and 52.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29034.17 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 40.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 149.03 ms. Allocated memory is still 119.5 MB. Free memory was 40.1 MB in the beginning and 31.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28834.7ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 57.2ms, AutomataDifference: 8946.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 6729.0ms, InitialAbstractionConstructionTime: 18.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 984 SDtfs, 1187 SDslu, 1752 SDs, 0 SdLazy, 241 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7955.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1250 GetRequests, 1197 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 458.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 340.1ms AutomataMinimizationTime, 11 MinimizatonAttempts, 799 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 773 HoareAnnotationTreeSize, 45 FomulaSimplifications, 106172 FormulaSimplificationTreeSizeReduction, 1448.6ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 64218 FormulaSimplificationTreeSizeReductionInter, 5263.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 365.8ms SsaConstructionTime, 1821.9ms SatisfiabilityAnalysisTime, 4899.5ms InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 2190 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3214 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 484/520 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: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp) || ((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-24 11:04:04,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f986e5a5-13ab-480d-a225-ae2e730bc3ab/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...