./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.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_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/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_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/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_a8782155-77d3-401c-9b68-c627794e227b/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 e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b ............................................................................................................................................ 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_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/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_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/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_a8782155-77d3-401c-9b68-c627794e227b/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 e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:08:44,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:08:44,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:08:44,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:08:44,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:08:44,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:08:44,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:08:44,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:08:44,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:08:44,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:08:44,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:08:44,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:08:44,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:08:44,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:08:44,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:08:44,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:08:44,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:08:44,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:08:44,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:08:44,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:08:44,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:08:44,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:08:44,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:08:44,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:08:45,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:08:45,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:08:45,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:08:45,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:08:45,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:08:45,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:08:45,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:08:45,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:08:45,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:08:45,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:08:45,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:08:45,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:08:45,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:08:45,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:08:45,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:08:45,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:08:45,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:08:45,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:08:45,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:08:45,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:08:45,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:08:45,082 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:08:45,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:08:45,082 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:08:45,082 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:08:45,093 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:08:45,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:08:45,094 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:08:45,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:08:45,095 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:08:45,096 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:08:45,096 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:08:45,096 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:08:45,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:08:45,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:08:45,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:08:45,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:08:45,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:08:45,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:08:45,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:08:45,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:08:45,099 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:08:45,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:08:45,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:08:45,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:08:45,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:08:45,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:08:45,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:08:45,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:45,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:08:45,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:08:45,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:08:45,104 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:08:45,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:08:45,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:08:45,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:08:45,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:08:45,105 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_a8782155-77d3-401c-9b68-c627794e227b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2021-10-24 11:08:45,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:08:45,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:08:45,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:08:45,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:08:45,446 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:08:45,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-24 11:08:45,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/9a49701a9/1f04d96a62c643c3a9d591786a3b2b3a/FLAG4581f8697 [2021-10-24 11:08:46,099 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:08:46,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-24 11:08:46,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/9a49701a9/1f04d96a62c643c3a9d591786a3b2b3a/FLAG4581f8697 [2021-10-24 11:08:46,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/9a49701a9/1f04d96a62c643c3a9d591786a3b2b3a [2021-10-24 11:08:46,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:08:46,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:08:46,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:46,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:08:46,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:08:46,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:46" (1/1) ... [2021-10-24 11:08:46,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a07a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46, skipping insertion in model container [2021-10-24 11:08:46,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:46" (1/1) ... [2021-10-24 11:08:46,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:08:46,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:46,828 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_a8782155-77d3-401c-9b68-c627794e227b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-24 11:08:46,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:46,860 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 11:08:46,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5893f5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:46, skipping insertion in model container [2021-10-24 11:08:46,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:46,870 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:08:46,873 INFO L168 Benchmark]: Toolchain (without parser) took 450.90 ms. Allocated memory is still 123.7 MB. Free memory was 85.9 MB in the beginning and 94.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:46,874 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:46,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.96 ms. Allocated memory is still 123.7 MB. Free memory was 85.5 MB in the beginning and 94.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:46,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 442.96 ms. Allocated memory is still 123.7 MB. Free memory was 85.5 MB in the beginning and 94.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:08:49,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:08:49,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:08:49,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:08:49,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:08:49,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:08:49,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:08:49,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:08:49,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:08:49,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:08:49,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:08:49,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:08:49,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:08:49,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:08:49,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:08:49,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:08:49,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:08:49,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:08:49,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:08:49,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:08:49,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:08:49,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:08:49,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:08:49,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:08:49,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:08:49,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:08:49,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:08:49,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:08:49,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:08:49,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:08:49,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:08:49,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:08:49,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:08:49,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:08:49,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:08:49,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:08:49,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:08:49,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:08:49,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:08:49,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:08:49,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:08:49,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:08:49,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:08:49,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:08:49,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:08:49,445 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:08:49,445 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:08:49,446 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:08:49,446 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:08:49,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:08:49,446 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:08:49,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:08:49,449 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:08:49,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:08:49,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:08:49,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:08:49,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:08:49,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:08:49,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:08:49,452 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:08:49,452 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:08:49,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:08:49,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:08:49,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:08:49,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:08:49,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:08:49,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:08:49,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:08:49,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:49,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:08:49,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:08:49,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:08:49,455 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:08:49,456 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:08:49,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:08:49,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:08:49,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:08:49,457 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_a8782155-77d3-401c-9b68-c627794e227b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2021-10-24 11:08:49,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:08:49,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:08:49,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:08:49,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:08:49,960 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:08:49,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-24 11:08:50,054 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/a278adef7/1d053efd924c4a4d851d039091891e9e/FLAG1d8ff40b3 [2021-10-24 11:08:50,653 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:08:50,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-24 11:08:50,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/a278adef7/1d053efd924c4a4d851d039091891e9e/FLAG1d8ff40b3 [2021-10-24 11:08:50,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/data/a278adef7/1d053efd924c4a4d851d039091891e9e [2021-10-24 11:08:50,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:08:50,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:08:51,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:51,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:08:51,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:08:51,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:50" (1/1) ... [2021-10-24 11:08:51,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727c498b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51, skipping insertion in model container [2021-10-24 11:08:51,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:50" (1/1) ... [2021-10-24 11:08:51,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:08:51,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:51,492 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_a8782155-77d3-401c-9b68-c627794e227b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-24 11:08:51,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:51,528 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:08:51,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:08:51,601 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_a8782155-77d3-401c-9b68-c627794e227b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-24 11:08:51,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:51,619 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:08:51,689 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_a8782155-77d3-401c-9b68-c627794e227b/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15987,16000] [2021-10-24 11:08:51,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:08:51,752 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:08:51,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51 WrapperNode [2021-10-24 11:08:51,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:08:51,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:08:51,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:08:51,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:08:51,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:08:51,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:08:51,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:08:51,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:08:51,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:08:51,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:08:51,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:08:51,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:08:51,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (1/1) ... [2021-10-24 11:08:51,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:08:51,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:08:52,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:08:52,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:08:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:08:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:08:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:08:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:08:55,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:08:55,053 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2021-10-24 11:08:55,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:55 BoogieIcfgContainer [2021-10-24 11:08:55,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:08:55,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:08:55,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:08:55,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:08:55,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:50" (1/3) ... [2021-10-24 11:08:55,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44532b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:55, skipping insertion in model container [2021-10-24 11:08:55,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:51" (2/3) ... [2021-10-24 11:08:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44532b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:55, skipping insertion in model container [2021-10-24 11:08:55,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:55" (3/3) ... [2021-10-24 11:08:55,070 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2021-10-24 11:08:55,076 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:08:55,077 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:08:55,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:08:55,157 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 11:08:55,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:08:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 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 11:08:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:08:55,198 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:55,199 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:55,199 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 11:08:55,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:55,206 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2021-10-24 11:08:55,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:55,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829513253] [2021-10-24 11:08:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:55,227 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:55,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:55,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:55,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:08:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:55,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:08:55,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:55,575 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 11:08:55,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:55,647 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 11:08:55,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:55,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829513253] [2021-10-24 11:08:55,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829513253] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:55,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:55,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:08:55,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52174935] [2021-10-24 11:08:55,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:08:55,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:55,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:08:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:08:55,679 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:55,750 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-24 11:08:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:08:55,752 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:08:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:55,772 INFO L225 Difference]: With dead ends: 372 [2021-10-24 11:08:55,773 INFO L226 Difference]: Without dead ends: 185 [2021-10-24 11:08:55,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 11:08:55,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-24 11:08:55,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-24 11:08:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 states have internal predecessors, (276), 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 11:08:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-24 11:08:55,854 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-24 11:08:55,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:55,855 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-24 11:08:55,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-24 11:08:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:08:55,856 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:55,856 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:55,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:56,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:56,058 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 11:08:56,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:56,059 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2021-10-24 11:08:56,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:56,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164117394] [2021-10-24 11:08:56,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:56,060 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:56,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:08:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:56,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:08:56,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:56,415 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 11:08:56,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:56,493 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 11:08:56,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:56,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164117394] [2021-10-24 11:08:56,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164117394] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:56,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:56,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:08:56,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057972479] [2021-10-24 11:08:56,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:08:56,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:08:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:08:56,502 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:56,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:56,540 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-24 11:08:56,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:56,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 11:08:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:56,544 INFO L225 Difference]: With dead ends: 185 [2021-10-24 11:08:56,544 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 11:08:56,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:08:56,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 11:08:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 11:08:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-24 11:08:56,552 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-24 11:08:56,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:56,552 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-24 11:08:56,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-24 11:08:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:08:56,554 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:56,554 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:56,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:56,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:56,766 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 11:08:56,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:56,767 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2021-10-24 11:08:56,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:56,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667175060] [2021-10-24 11:08:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:56,768 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:56,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:56,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:56,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:08:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:57,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:08:57,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:57,114 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 11:08:57,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:57,222 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 11:08:57,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:57,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667175060] [2021-10-24 11:08:57,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667175060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:57,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:57,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:08:57,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138617332] [2021-10-24 11:08:57,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:08:57,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:08:57,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:08:57,224 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:57,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:57,238 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-24 11:08:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:57,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:08:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:57,240 INFO L225 Difference]: With dead ends: 136 [2021-10-24 11:08:57,240 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 11:08:57,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:08:57,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 11:08:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 11:08:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 states have internal predecessors, (104), 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 11:08:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-24 11:08:57,249 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-24 11:08:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:57,250 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-24 11:08:57,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-24 11:08:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 11:08:57,251 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:57,252 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:57,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:57,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:57,471 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 11:08:57,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:57,471 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2021-10-24 11:08:57,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:57,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391495492] [2021-10-24 11:08:57,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:57,473 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:57,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:57,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:57,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:08:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:57,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:08:57,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:57,756 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 11:08:57,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:57,816 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 11:08:57,816 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:57,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391495492] [2021-10-24 11:08:57,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391495492] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:57,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:57,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:08:57,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980114181] [2021-10-24 11:08:57,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:08:57,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:57,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:08:57,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:57,820 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:57,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:57,892 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-24 11:08:57,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:57,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 11:08:57,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:57,893 INFO L225 Difference]: With dead ends: 145 [2021-10-24 11:08:57,894 INFO L226 Difference]: Without dead ends: 80 [2021-10-24 11:08:57,894 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:57,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-24 11:08:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-24 11:08:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 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 11:08:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-24 11:08:57,915 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-24 11:08:57,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:57,915 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-24 11:08:57,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-24 11:08:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 11:08:57,916 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:57,917 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:57,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:58,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:58,118 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 11:08:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:58,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2021-10-24 11:08:58,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:58,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967958533] [2021-10-24 11:08:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:58,119 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:58,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:58,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:08:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:58,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:08:58,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:58,436 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 11:08:58,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:58,507 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 11:08:58,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:58,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967958533] [2021-10-24 11:08:58,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967958533] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:58,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:58,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:08:58,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264097353] [2021-10-24 11:08:58,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:08:58,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:58,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:08:58,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:08:58,515 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 11:08:58,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:58,614 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-24 11:08:58,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:08:58,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-24 11:08:58,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:58,616 INFO L225 Difference]: With dead ends: 204 [2021-10-24 11:08:58,616 INFO L226 Difference]: Without dead ends: 132 [2021-10-24 11:08:58,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:08:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-24 11:08:58,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-24 11:08:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 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 11:08:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-24 11:08:58,645 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-24 11:08:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:58,646 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-24 11:08:58,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 11:08:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-24 11:08:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 11:08:58,648 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:58,648 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:58,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:08:58,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:08:58,861 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 11:08:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:58,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2021-10-24 11:08:58,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:08:58,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774136367] [2021-10-24 11:08:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:58,863 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:08:58,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:08:58,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:08:58,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:08:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:59,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:08:59,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:08:59,256 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 11:08:59,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:08:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:08:59,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:08:59,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774136367] [2021-10-24 11:08:59,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774136367] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:59,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:59,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 11:08:59,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752037407] [2021-10-24 11:08:59,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:08:59,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:08:59,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:08:59,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:08:59,422 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:59,771 INFO L93 Difference]: Finished difference Result 673 states and 940 transitions. [2021-10-24 11:08:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:08:59,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-24 11:08:59,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:59,775 INFO L225 Difference]: With dead ends: 673 [2021-10-24 11:08:59,776 INFO L226 Difference]: Without dead ends: 592 [2021-10-24 11:08:59,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 122.9ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 11:08:59,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-24 11:08:59,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-10-24 11:08:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 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 11:08:59,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-10-24 11:08:59,810 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2021-10-24 11:08:59,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:59,810 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-10-24 11:08:59,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:08:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-10-24 11:08:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-24 11:08:59,813 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:59,814 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:59,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:00,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:00,027 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 11:09:00,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:00,027 INFO L82 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2021-10-24 11:09:00,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:00,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063394908] [2021-10-24 11:09:00,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:00,030 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:00,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:00,033 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:00,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:09:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:00,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:09:00,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:09:00,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:09:00,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:00,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063394908] [2021-10-24 11:09:00,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063394908] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:00,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:00,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:09:00,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341997616] [2021-10-24 11:09:00,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:09:00,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:00,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:09:00,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:09:00,579 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:00,676 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2021-10-24 11:09:00,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:09:00,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-24 11:09:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:00,679 INFO L225 Difference]: With dead ends: 476 [2021-10-24 11:09:00,680 INFO L226 Difference]: Without dead ends: 278 [2021-10-24 11:09:00,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:09:00,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-24 11:09:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2021-10-24 11:09:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 181 states have internal predecessors, (240), 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 11:09:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2021-10-24 11:09:00,704 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2021-10-24 11:09:00,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:00,704 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2021-10-24 11:09:00,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2021-10-24 11:09:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-24 11:09:00,707 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:00,707 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:00,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:00,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:00,921 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 11:09:00,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:00,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2021-10-24 11:09:00,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:00,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426343212] [2021-10-24 11:09:00,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:00,923 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:00,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:00,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:00,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:09:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:01,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:09:01,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:09:01,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:09:01,658 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:01,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426343212] [2021-10-24 11:09:01,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426343212] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:01,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:01,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:09:01,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622115391] [2021-10-24 11:09:01,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:09:01,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:01,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:09:01,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:09:01,660 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 11:09:01,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:01,868 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2021-10-24 11:09:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 11:09:01,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 50 [2021-10-24 11:09:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:01,874 INFO L225 Difference]: With dead ends: 872 [2021-10-24 11:09:01,874 INFO L226 Difference]: Without dead ends: 696 [2021-10-24 11:09:01,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 89.6ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-24 11:09:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-10-24 11:09:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2021-10-24 11:09:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3126760563380282) internal successors, (466), 355 states have internal predecessors, (466), 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 11:09:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2021-10-24 11:09:01,934 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2021-10-24 11:09:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:01,934 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2021-10-24 11:09:01,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 11:09:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2021-10-24 11:09:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 11:09:01,937 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:01,937 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:01,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:02,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:02,155 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 11:09:02,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:02,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2021-10-24 11:09:02,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:02,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079950107] [2021-10-24 11:09:02,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:02,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:02,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:02,158 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:02,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:09:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:02,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:09:02,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:02,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:02,999 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:02,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079950107] [2021-10-24 11:09:02,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079950107] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:09:02,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [53408076] [2021-10-24 11:09:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:03,000 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:09:03,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:09:03,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:09:03,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-24 11:09:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:03,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:09:03,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:09:03,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:09:03,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [53408076] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:03,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:09:03,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-10-24 11:09:03,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138813062] [2021-10-24 11:09:03,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:09:03,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:03,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:09:03,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-24 11:09:03,736 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 11:09:04,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:04,047 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2021-10-24 11:09:04,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:09:04,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 51 [2021-10-24 11:09:04,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:04,054 INFO L225 Difference]: With dead ends: 962 [2021-10-24 11:09:04,054 INFO L226 Difference]: Without dead ends: 960 [2021-10-24 11:09:04,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 166.8ms TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-24 11:09:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-10-24 11:09:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2021-10-24 11:09:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3070422535211268) internal successors, (464), 355 states have internal predecessors, (464), 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 11:09:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2021-10-24 11:09:04,109 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2021-10-24 11:09:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:04,109 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2021-10-24 11:09:04,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 11:09:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2021-10-24 11:09:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-24 11:09:04,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:04,112 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:04,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:04,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:04,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:04,515 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 11:09:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:04,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2021-10-24 11:09:04,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:04,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358435665] [2021-10-24 11:09:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:04,516 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:04,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:04,518 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:04,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 11:09:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:04,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:09:04,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:05,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:05,450 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:05,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358435665] [2021-10-24 11:09:05,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358435665] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:09:05,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [484165244] [2021-10-24 11:09:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:05,450 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:09:05,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:09:05,451 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:09:05,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-24 11:09:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:05,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 11:09:05,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:06,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:06,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [484165244] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:09:06,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553747710] [2021-10-24 11:09:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:06,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:09:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:09:06,390 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:09:06,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-24 11:09:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:06,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:09:06,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:07,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:09:07,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553747710] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:09:07,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 11:09:07,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-24 11:09:07,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116598095] [2021-10-24 11:09:07,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-24 11:09:07,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:07,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-24 11:09:07,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-24 11:09:07,250 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 11:09:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:12,894 INFO L93 Difference]: Finished difference Result 4555 states and 5988 transitions. [2021-10-24 11:09:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-24 11:09:12,894 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 57 [2021-10-24 11:09:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:12,922 INFO L225 Difference]: With dead ends: 4555 [2021-10-24 11:09:12,923 INFO L226 Difference]: Without dead ends: 4255 [2021-10-24 11:09:12,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2043 ImplicationChecksByTransitivity, 1455.2ms TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-24 11:09:12,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2021-10-24 11:09:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 640. [2021-10-24 11:09:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 639 states have (on average 1.3176838810641627) internal successors, (842), 639 states have internal predecessors, (842), 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 11:09:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 842 transitions. [2021-10-24 11:09:13,050 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 842 transitions. Word has length 57 [2021-10-24 11:09:13,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:13,051 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 842 transitions. [2021-10-24 11:09:13,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 11:09:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 842 transitions. [2021-10-24 11:09:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-24 11:09:13,053 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:13,053 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:13,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:13,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:13,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:13,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:09:13,668 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 11:09:13,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:13,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2021-10-24 11:09:13,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:09:13,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902194533] [2021-10-24 11:09:13,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:13,669 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:09:13,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:09:13,682 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:09:13,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-24 11:09:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:14,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:09:14,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:09:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:09:14,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:09:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:09:14,586 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:09:14,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902194533] [2021-10-24 11:09:14,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902194533] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:14,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:14,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 11:09:14,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846749065] [2021-10-24 11:09:14,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:09:14,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:09:14,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:09:14,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:09:14,588 INFO L87 Difference]: Start difference. First operand 640 states and 842 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:14,687 INFO L93 Difference]: Finished difference Result 1030 states and 1326 transitions. [2021-10-24 11:09:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:09:14,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-24 11:09:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:14,689 INFO L225 Difference]: With dead ends: 1030 [2021-10-24 11:09:14,689 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:09:14,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 58.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:09:14,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:09:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:09:14,692 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 11:09:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:09:14,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-24 11:09:14,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:14,693 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:09:14,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:09:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:09:14,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:09:14,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:14,697 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:14,698 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:14,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-24 11:09:14,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:09:14,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:09:14,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:14,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:14,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:14,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:14,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:14,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:15,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:16,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:17,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:09:24,468 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-24 11:09:24,468 INFO L853 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-24 11:09:24,469 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-10-24 11:09:24,469 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 572) no Hoare annotation was computed. [2021-10-24 11:09:24,469 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-10-24 11:09:24,469 INFO L857 garLoopResultBuilder]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2021-10-24 11:09:24,469 INFO L857 garLoopResultBuilder]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2021-10-24 11:09:24,470 INFO L857 garLoopResultBuilder]: For program point L564-3(lines 564 572) no Hoare annotation was computed. [2021-10-24 11:09:24,470 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-24 11:09:24,470 INFO L857 garLoopResultBuilder]: For program point L564-4(lines 564 572) no Hoare annotation was computed. [2021-10-24 11:09:24,470 INFO L857 garLoopResultBuilder]: For program point L564-5(lines 564 572) no Hoare annotation was computed. [2021-10-24 11:09:24,470 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-10-24 11:09:24,470 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-24 11:09:24,471 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 502 508) no Hoare annotation was computed. [2021-10-24 11:09:24,471 INFO L853 garLoopResultBuilder]: At program point L864(lines 859 867) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-24 11:09:24,471 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 859 867) the Hoare annotation is: false [2021-10-24 11:09:24,471 INFO L853 garLoopResultBuilder]: At program point L864-2(lines 859 867) the Hoare annotation is: false [2021-10-24 11:09:24,471 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 859 867) the Hoare annotation is: false [2021-10-24 11:09:24,472 INFO L853 garLoopResultBuilder]: At program point L864-4(lines 859 867) the Hoare annotation is: false [2021-10-24 11:09:24,472 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 859 867) the Hoare annotation is: false [2021-10-24 11:09:24,472 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,472 INFO L857 garLoopResultBuilder]: For program point L534-1(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,472 INFO L857 garLoopResultBuilder]: For program point L534-2(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,472 INFO L857 garLoopResultBuilder]: For program point L534-3(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,473 INFO L857 garLoopResultBuilder]: For program point L534-4(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,473 INFO L857 garLoopResultBuilder]: For program point L534-5(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,473 INFO L857 garLoopResultBuilder]: For program point L534-6(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,473 INFO L857 garLoopResultBuilder]: For program point L534-7(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,473 INFO L857 garLoopResultBuilder]: For program point L534-8(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,473 INFO L857 garLoopResultBuilder]: For program point L534-9(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,474 INFO L857 garLoopResultBuilder]: For program point L534-10(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,474 INFO L857 garLoopResultBuilder]: For program point L534-11(lines 534 551) no Hoare annotation was computed. [2021-10-24 11:09:24,474 INFO L853 garLoopResultBuilder]: At program point L502(lines 501 520) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-24 11:09:24,474 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 502 508) no Hoare annotation was computed. [2021-10-24 11:09:24,474 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 501 520) the Hoare annotation is: false [2021-10-24 11:09:24,475 INFO L853 garLoopResultBuilder]: At program point L502-3(lines 501 520) the Hoare annotation is: false [2021-10-24 11:09:24,475 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,475 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,475 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,475 INFO L857 garLoopResultBuilder]: For program point L538-3(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,476 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-24 11:09:24,476 INFO L857 garLoopResultBuilder]: For program point L538-4(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,476 INFO L857 garLoopResultBuilder]: For program point L538-5(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,476 INFO L857 garLoopResultBuilder]: For program point L538-6(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,476 INFO L857 garLoopResultBuilder]: For program point L538-7(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,476 INFO L857 garLoopResultBuilder]: For program point L538-8(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,477 INFO L857 garLoopResultBuilder]: For program point L538-9(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,477 INFO L857 garLoopResultBuilder]: For program point L538-10(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,477 INFO L857 garLoopResultBuilder]: For program point L538-11(lines 538 546) no Hoare annotation was computed. [2021-10-24 11:09:24,477 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-10-24 11:09:24,477 INFO L853 garLoopResultBuilder]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse4))) [2021-10-24 11:09:24,478 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: false [2021-10-24 11:09:24,478 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: false [2021-10-24 11:09:24,478 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-24 11:09:24,478 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-10-24 11:09:24,478 INFO L857 garLoopResultBuilder]: For program point L772-3(lines 772 776) no Hoare annotation was computed. [2021-10-24 11:09:24,478 INFO L857 garLoopResultBuilder]: For program point L772-6(lines 772 776) no Hoare annotation was computed. [2021-10-24 11:09:24,479 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,479 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,479 INFO L857 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,479 INFO L857 garLoopResultBuilder]: For program point L707-5(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,479 INFO L853 garLoopResultBuilder]: At program point L509(lines 509 515) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2021-10-24 11:09:24,480 INFO L857 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,480 INFO L853 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-10-24 11:09:24,480 INFO L853 garLoopResultBuilder]: At program point L509-1(lines 509 515) the Hoare annotation is: false [2021-10-24 11:09:24,480 INFO L857 garLoopResultBuilder]: For program point L707-8(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,480 INFO L853 garLoopResultBuilder]: At program point L509-2(lines 509 515) the Hoare annotation is: false [2021-10-24 11:09:24,480 INFO L857 garLoopResultBuilder]: For program point L707-9(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,481 INFO L857 garLoopResultBuilder]: For program point L707-11(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,481 INFO L857 garLoopResultBuilder]: For program point L707-12(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,481 INFO L857 garLoopResultBuilder]: For program point L707-14(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,481 INFO L857 garLoopResultBuilder]: For program point L707-15(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,481 INFO L857 garLoopResultBuilder]: For program point L707-17(lines 707 711) no Hoare annotation was computed. [2021-10-24 11:09:24,481 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-24 11:09:24,482 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-24 11:09:24,482 INFO L853 garLoopResultBuilder]: At program point L841(lines 836 844) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 11:09:24,482 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 836 844) the Hoare annotation is: false [2021-10-24 11:09:24,482 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 836 844) the Hoare annotation is: false [2021-10-24 11:09:24,482 INFO L853 garLoopResultBuilder]: At program point L809(lines 804 812) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-24 11:09:24,483 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 804 812) the Hoare annotation is: false [2021-10-24 11:09:24,483 INFO L853 garLoopResultBuilder]: At program point L743(lines 1 989) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:24,483 INFO L853 garLoopResultBuilder]: At program point L809-2(lines 804 812) the Hoare annotation is: false [2021-10-24 11:09:24,483 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-24 11:09:24,483 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 890) no Hoare annotation was computed. [2021-10-24 11:09:24,484 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 502 508) no Hoare annotation was computed. [2021-10-24 11:09:24,484 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 1 989) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))))) [2021-10-24 11:09:24,484 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 890) no Hoare annotation was computed. [2021-10-24 11:09:24,484 INFO L853 garLoopResultBuilder]: At program point L877-3(lines 1 989) the Hoare annotation is: false [2021-10-24 11:09:24,484 INFO L857 garLoopResultBuilder]: For program point L877-4(lines 877 890) no Hoare annotation was computed. [2021-10-24 11:09:24,485 INFO L853 garLoopResultBuilder]: At program point L877-5(lines 1 989) the Hoare annotation is: false [2021-10-24 11:09:24,485 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-10-24 11:09:24,485 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-10-24 11:09:24,485 INFO L853 garLoopResultBuilder]: At program point L713(lines 698 716) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) [2021-10-24 11:09:24,485 INFO L853 garLoopResultBuilder]: At program point L713-1(lines 698 716) the Hoare annotation is: false [2021-10-24 11:09:24,486 INFO L853 garLoopResultBuilder]: At program point L713-2(lines 698 716) the Hoare annotation is: false [2021-10-24 11:09:24,486 INFO L853 garLoopResultBuilder]: At program point L713-3(lines 698 716) the Hoare annotation is: false [2021-10-24 11:09:24,486 INFO L853 garLoopResultBuilder]: At program point L713-4(lines 698 716) the Hoare annotation is: false [2021-10-24 11:09:24,486 INFO L853 garLoopResultBuilder]: At program point L713-5(lines 698 716) the Hoare annotation is: false [2021-10-24 11:09:24,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:09:24,486 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-24 11:09:24,487 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-24 11:09:24,487 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-10-24 11:09:24,487 INFO L857 garLoopResultBuilder]: For program point L881-2(lines 881 887) no Hoare annotation was computed. [2021-10-24 11:09:24,487 INFO L857 garLoopResultBuilder]: For program point L881-4(lines 881 887) no Hoare annotation was computed. [2021-10-24 11:09:24,487 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,488 INFO L857 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,488 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,488 INFO L857 garLoopResultBuilder]: For program point L849-3(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,488 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,488 INFO L857 garLoopResultBuilder]: For program point L849-5(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,488 INFO L857 garLoopResultBuilder]: For program point L849-6(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,489 INFO L857 garLoopResultBuilder]: For program point L849-7(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,489 INFO L857 garLoopResultBuilder]: For program point L849-8(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,489 INFO L857 garLoopResultBuilder]: For program point L849-9(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,489 INFO L857 garLoopResultBuilder]: For program point L849-10(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,489 INFO L857 garLoopResultBuilder]: For program point L849-11(lines 849 855) no Hoare annotation was computed. [2021-10-24 11:09:24,489 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 788) no Hoare annotation was computed. [2021-10-24 11:09:24,490 INFO L853 garLoopResultBuilder]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:24,490 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 603) no Hoare annotation was computed. [2021-10-24 11:09:24,490 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 586 603) no Hoare annotation was computed. [2021-10-24 11:09:24,490 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 603) no Hoare annotation was computed. [2021-10-24 11:09:24,490 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,491 INFO L857 garLoopResultBuilder]: For program point L688-9(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,492 INFO L857 garLoopResultBuilder]: For program point L688-11(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,492 INFO L857 garLoopResultBuilder]: For program point L688-12(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,492 INFO L857 garLoopResultBuilder]: For program point L688-14(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,492 INFO L857 garLoopResultBuilder]: For program point L688-15(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,492 INFO L857 garLoopResultBuilder]: For program point L688-17(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,492 INFO L857 garLoopResultBuilder]: For program point L688-18(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:09:24,493 INFO L857 garLoopResultBuilder]: For program point L688-20(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,493 INFO L857 garLoopResultBuilder]: For program point L688-21(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,493 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-10-24 11:09:24,493 INFO L857 garLoopResultBuilder]: For program point L688-23(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,494 INFO L857 garLoopResultBuilder]: For program point L688-24(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,494 INFO L853 garLoopResultBuilder]: At program point L854(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,494 INFO L857 garLoopResultBuilder]: For program point L688-26(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,494 INFO L853 garLoopResultBuilder]: At program point L854-1(lines 845 858) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:24,494 INFO L857 garLoopResultBuilder]: For program point L688-27(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,495 INFO L853 garLoopResultBuilder]: At program point L854-2(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,495 INFO L853 garLoopResultBuilder]: At program point L854-3(lines 845 858) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 11:09:24,495 INFO L857 garLoopResultBuilder]: For program point L688-29(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,495 INFO L853 garLoopResultBuilder]: At program point L854-4(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,495 INFO L857 garLoopResultBuilder]: For program point L688-30(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,495 INFO L853 garLoopResultBuilder]: At program point L854-5(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,496 INFO L853 garLoopResultBuilder]: At program point L854-6(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,496 INFO L857 garLoopResultBuilder]: For program point L688-32(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,496 INFO L853 garLoopResultBuilder]: At program point L854-7(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,496 INFO L857 garLoopResultBuilder]: For program point L688-33(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,496 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 598) no Hoare annotation was computed. [2021-10-24 11:09:24,497 INFO L853 garLoopResultBuilder]: At program point L854-8(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,497 INFO L857 garLoopResultBuilder]: For program point L590-1(lines 590 598) no Hoare annotation was computed. [2021-10-24 11:09:24,497 INFO L853 garLoopResultBuilder]: At program point L854-9(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,497 INFO L857 garLoopResultBuilder]: For program point L688-35(lines 688 692) no Hoare annotation was computed. [2021-10-24 11:09:24,497 INFO L857 garLoopResultBuilder]: For program point L590-2(lines 590 598) no Hoare annotation was computed. [2021-10-24 11:09:24,497 INFO L853 garLoopResultBuilder]: At program point L854-10(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,498 INFO L853 garLoopResultBuilder]: At program point L854-11(lines 845 858) the Hoare annotation is: false [2021-10-24 11:09:24,498 INFO L853 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:09:24,498 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-10-24 11:09:24,498 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-10-24 11:09:24,498 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2021-10-24 11:09:24,499 INFO L857 garLoopResultBuilder]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2021-10-24 11:09:24,499 INFO L857 garLoopResultBuilder]: For program point L560-3(lines 560 577) no Hoare annotation was computed. [2021-10-24 11:09:24,499 INFO L857 garLoopResultBuilder]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2021-10-24 11:09:24,499 INFO L857 garLoopResultBuilder]: For program point L560-5(lines 560 577) no Hoare annotation was computed. [2021-10-24 11:09:24,499 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:09:24,499 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 760) no Hoare annotation was computed. [2021-10-24 11:09:24,500 INFO L857 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2021-10-24 11:09:24,500 INFO L857 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-10-24 11:09:24,500 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,500 INFO L857 garLoopResultBuilder]: For program point L760-2(line 760) no Hoare annotation was computed. [2021-10-24 11:09:24,500 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 679 697) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) [2021-10-24 11:09:24,501 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,501 INFO L853 garLoopResultBuilder]: At program point L694-3(lines 679 697) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))))) [2021-10-24 11:09:24,501 INFO L853 garLoopResultBuilder]: At program point L694-4(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,501 INFO L853 garLoopResultBuilder]: At program point L694-5(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,501 INFO L853 garLoopResultBuilder]: At program point L694-6(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,502 INFO L853 garLoopResultBuilder]: At program point L694-7(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,502 INFO L853 garLoopResultBuilder]: At program point L694-8(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,502 INFO L853 garLoopResultBuilder]: At program point L694-9(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,502 INFO L853 garLoopResultBuilder]: At program point L694-10(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,502 INFO L853 garLoopResultBuilder]: At program point L694-11(lines 679 697) the Hoare annotation is: false [2021-10-24 11:09:24,502 INFO L857 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-10-24 11:09:24,507 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:09:24,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:09:24 BoogieIcfgContainer [2021-10-24 11:09:24,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:09:24,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:09:24,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:09:24,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:09:24,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:55" (3/4) ... [2021-10-24 11:09:24,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:09:24,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:09:24,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:09:24,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:09:24,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:09:24,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:09:24,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:09:24,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:09:24,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(tmp == 0bv32)) [2021-10-24 11:09:24,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:09:24,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:09:24,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:09:24,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) [2021-10-24 11:09:24,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:09:24,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-10-24 11:09:24,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-10-24 11:09:24,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:09:24,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-10-24 11:09:24,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-10-24 11:09:24,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 11:09:24,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(tmp == 0bv32)) && tmp == 0bv32 [2021-10-24 11:09:24,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && tmp == 1bv32 [2021-10-24 11:09:24,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:09:24,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:09:24,696 INFO L168 Benchmark]: Toolchain (without parser) took 33697.26 ms. Allocated memory was 83.9 MB in the beginning and 195.0 MB in the end (delta: 111.1 MB). Free memory was 48.2 MB in the beginning and 87.9 MB in the end (delta: -39.7 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,697 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 65.4 MB in the beginning and 65.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:09:24,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.93 ms. Allocated memory is still 83.9 MB. Free memory was 47.9 MB in the beginning and 51.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.22 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 47.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,698 INFO L168 Benchmark]: Boogie Preprocessor took 87.17 ms. Allocated memory is still 83.9 MB. Free memory was 47.4 MB in the beginning and 43.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,698 INFO L168 Benchmark]: RCFGBuilder took 3103.60 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 43.8 MB in the beginning and 67.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,699 INFO L168 Benchmark]: TraceAbstraction took 29477.64 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 66.8 MB in the beginning and 102.5 MB in the end (delta: -35.8 MB). Peak memory consumption was 99.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,699 INFO L168 Benchmark]: Witness Printer took 157.09 ms. Allocated memory is still 195.0 MB. Free memory was 102.5 MB in the beginning and 87.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:24,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 65.4 MB in the beginning and 65.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.93 ms. Allocated memory is still 83.9 MB. Free memory was 47.9 MB in the beginning and 51.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.22 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 47.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.17 ms. Allocated memory is still 83.9 MB. Free memory was 47.4 MB in the beginning and 43.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3103.60 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 43.8 MB in the beginning and 67.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29477.64 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 66.8 MB in the beginning and 102.5 MB in the end (delta: -35.8 MB). Peak memory consumption was 99.7 MB. Max. memory is 16.1 GB. * Witness Printer took 157.09 ms. Allocated memory is still 195.0 MB. Free memory was 102.5 MB in the beginning and 87.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 760]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 760]: 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, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 29361.0ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 36.3ms, AutomataDifference: 7134.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9555.0ms, InitialAbstractionConstructionTime: 19.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1643 SDtfs, 5169 SDslu, 4554 SDs, 0 SdLazy, 873 SolverSat, 224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3894.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 1967.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 413.6ms AutomataMinimizationTime, 11 MinimizatonAttempts, 5090 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 198 NumberOfFragments, 625 HoareAnnotationTreeSize, 66 FomulaSimplifications, 1343017 FormulaSimplificationTreeSizeReduction, 2505.6ms HoareSimplificationTime, 66 FomulaSimplificationsInter, 94245 FormulaSimplificationTreeSizeReductionInter, 7032.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 365.5ms SsaConstructionTime, 1681.3ms SatisfiabilityAnalysisTime, 4691.7ms InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 2620 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3159 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 236/302 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: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(tmp == 0bv32)) && tmp == 0bv32 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && tmp == 1bv32 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:09:24,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8782155-77d3-401c-9b68-c627794e227b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...