./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.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_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/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_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/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_8d66761d-0306-40d0-9280-c07cbffac38e/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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 ............................................................................................................................................ 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_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/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_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/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_8d66761d-0306-40d0-9280-c07cbffac38e/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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:36:25,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:36:25,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:36:25,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:36:25,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:36:25,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:36:25,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:36:25,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:36:25,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:36:25,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:36:26,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:36:26,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:36:26,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:36:26,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:36:26,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:36:26,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:36:26,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:36:26,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:36:26,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:36:26,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:36:26,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:36:26,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:36:26,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:36:26,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:36:26,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:36:26,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:36:26,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:36:26,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:36:26,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:36:26,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:36:26,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:36:26,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:36:26,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:36:26,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:36:26,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:36:26,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:36:26,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:36:26,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:36:26,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:36:26,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:36:26,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:36:26,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:36:26,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:36:26,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:36:26,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:36:26,119 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:36:26,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:36:26,120 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:36:26,120 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:36:26,120 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:36:26,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:36:26,121 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:36:26,122 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:36:26,123 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:36:26,123 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:36:26,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:36:26,124 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:36:26,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:36:26,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:36:26,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:36:26,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:36:26,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:36:26,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:36:26,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:36:26,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:36:26,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:36:26,128 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:36:26,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:36:26,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:36:26,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:36:26,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:36:26,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:36:26,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:36:26,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:36:26,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:36:26,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:36:26,134 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:36:26,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:36:26,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:36:26,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:36:26,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:36:26,143 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_8d66761d-0306-40d0-9280-c07cbffac38e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2021-10-24 10:36:26,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:36:26,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:36:26,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:36:26,569 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:36:26,570 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:36:26,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-24 10:36:26,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/2e9885868/9ff693c5bf124e9fa9210dc4b5efafed/FLAGf57274347 [2021-10-24 10:36:27,300 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:36:27,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-24 10:36:27,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/2e9885868/9ff693c5bf124e9fa9210dc4b5efafed/FLAGf57274347 [2021-10-24 10:36:27,611 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/2e9885868/9ff693c5bf124e9fa9210dc4b5efafed [2021-10-24 10:36:27,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:36:27,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:36:27,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:36:27,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:36:27,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:36:27,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:36:27" (1/1) ... [2021-10-24 10:36:27,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402f0b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:27, skipping insertion in model container [2021-10-24 10:36:27,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:36:27" (1/1) ... [2021-10-24 10:36:27,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:36:27,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:36:28,337 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_8d66761d-0306-40d0-9280-c07cbffac38e/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2021-10-24 10:36:28,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:36:28,363 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:36:28,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cd21d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:28, skipping insertion in model container [2021-10-24 10:36:28,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:36:28,365 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:36:28,368 INFO L168 Benchmark]: Toolchain (without parser) took 740.50 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 59.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:28,368 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:36:28,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.31 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 59.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:28,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 734.31 ms. Allocated memory is still 88.1 MB. Free memory was 66.1 MB in the beginning and 59.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 8.7 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 10:36:31,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:36:31,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:36:31,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:36:31,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:36:31,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:36:31,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:36:31,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:36:31,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:36:31,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:36:31,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:36:31,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:36:31,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:36:31,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:36:31,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:36:31,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:36:31,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:36:31,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:36:31,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:36:31,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:36:31,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:36:31,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:36:31,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:36:31,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:36:31,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:36:31,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:36:31,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:36:31,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:36:31,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:36:31,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:36:31,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:36:31,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:36:31,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:36:31,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:36:31,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:36:31,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:36:31,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:36:31,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:36:31,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:36:31,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:36:31,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:36:31,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:36:31,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:36:31,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:36:31,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:36:31,293 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:36:31,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:36:31,294 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:36:31,294 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:36:31,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:36:31,294 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:36:31,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:36:31,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:36:31,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:36:31,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:36:31,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:36:31,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:36:31,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:36:31,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:36:31,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:36:31,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:36:31,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:36:31,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:36:31,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:36:31,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:36:31,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:36:31,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:36:31,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:36:31,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:36:31,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:36:31,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:36:31,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:36:31,301 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:36:31,302 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:36:31,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:36:31,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:36:31,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:36:31,303 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_8d66761d-0306-40d0-9280-c07cbffac38e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2021-10-24 10:36:31,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:36:31,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:36:31,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:36:31,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:36:31,812 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:36:31,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-24 10:36:31,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/04cc85cf3/27417acc42e74245b67ee2486505a728/FLAGe99e0a71f [2021-10-24 10:36:32,639 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:36:32,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-24 10:36:32,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/04cc85cf3/27417acc42e74245b67ee2486505a728/FLAGe99e0a71f [2021-10-24 10:36:32,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/data/04cc85cf3/27417acc42e74245b67ee2486505a728 [2021-10-24 10:36:32,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:36:32,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:36:32,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:36:32,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:36:32,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:36:32,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:36:32" (1/1) ... [2021-10-24 10:36:32,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4dc857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:32, skipping insertion in model container [2021-10-24 10:36:32,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:36:32" (1/1) ... [2021-10-24 10:36:32,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:36:32,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:36:33,355 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_8d66761d-0306-40d0-9280-c07cbffac38e/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2021-10-24 10:36:33,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:36:33,390 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:36:33,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:36:33,467 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_8d66761d-0306-40d0-9280-c07cbffac38e/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2021-10-24 10:36:33,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:36:33,488 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:36:33,615 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_8d66761d-0306-40d0-9280-c07cbffac38e/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[16170,16183] [2021-10-24 10:36:33,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:36:33,670 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:36:33,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33 WrapperNode [2021-10-24 10:36:33,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:36:33,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:36:33,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:36:33,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:36:33,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:36:33,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:36:33,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:36:33,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:36:33,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:36:33,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:36:33,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:36:33,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:36:33,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (1/1) ... [2021-10-24 10:36:33,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:36:33,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:36:33,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:36:33,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:36:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:36:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:36:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:36:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:36:36,573 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:36:36,573 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-10-24 10:36:36,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:36:36 BoogieIcfgContainer [2021-10-24 10:36:36,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:36:36,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:36:36,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:36:36,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:36:36,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:36:32" (1/3) ... [2021-10-24 10:36:36,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37531422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:36:36, skipping insertion in model container [2021-10-24 10:36:36,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:36:33" (2/3) ... [2021-10-24 10:36:36,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37531422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:36:36, skipping insertion in model container [2021-10-24 10:36:36,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:36:36" (3/3) ... [2021-10-24 10:36:36,588 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-10-24 10:36:36,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:36:36,595 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:36:36,650 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:36:36,658 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:36:36,658 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:36:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:36:36,687 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:36,688 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:36,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:36,696 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2021-10-24 10:36:36,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:36,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194652094] [2021-10-24 10:36:36,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:36,713 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:36,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:36,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:36:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:37,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:36:37,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:37,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:37,213 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:37,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194652094] [2021-10-24 10:36:37,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194652094] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:37,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:37,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:36:37,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966329024] [2021-10-24 10:36:37,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:36:37,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:37,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:36:37,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:36:37,244 INFO L87 Difference]: Start difference. First operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:37,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:37,288 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-10-24 10:36:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:36:37,290 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:36:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:37,302 INFO L225 Difference]: With dead ends: 167 [2021-10-24 10:36:37,303 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 10:36:37,307 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:36:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 10:36:37,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-24 10:36:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.4625) internal successors, (117), 82 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-10-24 10:36:37,356 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-10-24 10:36:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:37,357 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-10-24 10:36:37,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-10-24 10:36:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:36:37,359 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:37,359 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:37,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:37,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:37,575 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:37,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:37,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2021-10-24 10:36:37,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:37,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952913266] [2021-10-24 10:36:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:37,578 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:37,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:37,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:37,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:36:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:38,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:38,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:38,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:38,280 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:38,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952913266] [2021-10-24 10:36:38,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952913266] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:38,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:38,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:36:38,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876119723] [2021-10-24 10:36:38,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:36:38,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:38,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:36:38,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:38,285 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:38,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:38,324 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-10-24 10:36:38,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:36:38,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 10:36:38,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:38,326 INFO L225 Difference]: With dead ends: 83 [2021-10-24 10:36:38,326 INFO L226 Difference]: Without dead ends: 38 [2021-10-24 10:36:38,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-24 10:36:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-24 10:36:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-10-24 10:36:38,362 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-10-24 10:36:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:38,363 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-10-24 10:36:38,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-10-24 10:36:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:36:38,380 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:38,381 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:38,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:38,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:38,595 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:38,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:38,597 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2021-10-24 10:36:38,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:38,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596560032] [2021-10-24 10:36:38,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:38,598 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:38,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:38,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:38,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:36:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:38,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:38,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:39,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:39,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:39,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596560032] [2021-10-24 10:36:39,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596560032] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:39,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:39,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:36:39,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735623149] [2021-10-24 10:36:39,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:36:39,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:39,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:36:39,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:39,210 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:39,237 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-10-24 10:36:39,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:36:39,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:36:39,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:39,244 INFO L225 Difference]: With dead ends: 69 [2021-10-24 10:36:39,245 INFO L226 Difference]: Without dead ends: 38 [2021-10-24 10:36:39,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-24 10:36:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-24 10:36:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-10-24 10:36:39,257 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-10-24 10:36:39,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:39,258 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-24 10:36:39,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-10-24 10:36:39,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:36:39,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:39,263 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:39,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:39,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:39,480 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:39,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:39,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2021-10-24 10:36:39,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:39,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745714693] [2021-10-24 10:36:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:39,482 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:39,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:39,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:39,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:36:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:39,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:39,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:40,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:40,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:40,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745714693] [2021-10-24 10:36:40,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745714693] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:40,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:40,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:36:40,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414821508] [2021-10-24 10:36:40,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:36:40,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:40,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:36:40,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:36:40,172 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:40,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:40,254 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-10-24 10:36:40,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:36:40,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-24 10:36:40,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:40,256 INFO L225 Difference]: With dead ends: 93 [2021-10-24 10:36:40,256 INFO L226 Difference]: Without dead ends: 62 [2021-10-24 10:36:40,257 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:36:40,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-24 10:36:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-24 10:36:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-24 10:36:40,268 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-10-24 10:36:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:40,269 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-24 10:36:40,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-24 10:36:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:36:40,271 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:40,271 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:40,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 10:36:40,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:40,495 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:40,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:40,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2021-10-24 10:36:40,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:40,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320435056] [2021-10-24 10:36:40,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:40,498 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:40,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:40,500 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:40,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:36:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:40,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:36:40,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:40,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:41,011 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:41,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320435056] [2021-10-24 10:36:41,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320435056] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:41,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:41,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:36:41,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062544065] [2021-10-24 10:36:41,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:36:41,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:41,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:36:41,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:36:41,015 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:41,084 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-10-24 10:36:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:36:41,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:36:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:41,087 INFO L225 Difference]: With dead ends: 157 [2021-10-24 10:36:41,087 INFO L226 Difference]: Without dead ends: 104 [2021-10-24 10:36:41,088 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:36:41,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-24 10:36:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-10-24 10:36:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-10-24 10:36:41,101 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-10-24 10:36:41,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:41,102 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-10-24 10:36:41,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-10-24 10:36:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:36:41,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:41,104 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:41,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:41,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:41,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:41,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2021-10-24 10:36:41,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:41,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231875550] [2021-10-24 10:36:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:41,322 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:41,341 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:41,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:36:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:41,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:36:41,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:42,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:42,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:42,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231875550] [2021-10-24 10:36:42,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231875550] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:42,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:42,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:36:42,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968214231] [2021-10-24 10:36:42,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:36:42,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:36:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:36:42,128 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:42,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:42,291 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-10-24 10:36:42,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:36:42,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:36:42,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:42,294 INFO L225 Difference]: With dead ends: 216 [2021-10-24 10:36:42,294 INFO L226 Difference]: Without dead ends: 160 [2021-10-24 10:36:42,295 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 57.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:36:42,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-24 10:36:42,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-24 10:36:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-10-24 10:36:42,309 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-10-24 10:36:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:42,309 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-10-24 10:36:42,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-10-24 10:36:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:36:42,311 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:42,312 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:42,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:42,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:42,526 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:42,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:42,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2021-10-24 10:36:42,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:42,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308919029] [2021-10-24 10:36:42,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:42,528 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:42,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:42,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:36:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:42,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:36:42,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:42,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:43,094 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:43,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308919029] [2021-10-24 10:36:43,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308919029] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:43,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:43,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:36:43,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945691061] [2021-10-24 10:36:43,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:36:43,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:43,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:36:43,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:36:43,096 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:43,141 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2021-10-24 10:36:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:36:43,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:36:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:43,143 INFO L225 Difference]: With dead ends: 164 [2021-10-24 10:36:43,143 INFO L226 Difference]: Without dead ends: 109 [2021-10-24 10:36:43,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:36:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-24 10:36:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2021-10-24 10:36:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-10-24 10:36:43,165 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-10-24 10:36:43,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:43,167 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-10-24 10:36:43,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-10-24 10:36:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:36:43,172 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:43,173 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:43,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:43,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:43,387 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:43,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2021-10-24 10:36:43,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:43,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564774276] [2021-10-24 10:36:43,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:43,390 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:43,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:43,401 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:43,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:36:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:43,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:43,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:43,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:44,003 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:44,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564774276] [2021-10-24 10:36:44,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564774276] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:44,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:44,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:36:44,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608954569] [2021-10-24 10:36:44,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:36:44,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:44,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:36:44,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:44,005 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:44,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:44,061 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2021-10-24 10:36:44,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:36:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:36:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:44,063 INFO L225 Difference]: With dead ends: 198 [2021-10-24 10:36:44,063 INFO L226 Difference]: Without dead ends: 141 [2021-10-24 10:36:44,063 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:44,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-24 10:36:44,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 112. [2021-10-24 10:36:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 111 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2021-10-24 10:36:44,101 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 33 [2021-10-24 10:36:44,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:44,101 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2021-10-24 10:36:44,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2021-10-24 10:36:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:36:44,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:44,113 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:44,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:44,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:44,314 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:44,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:44,315 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2021-10-24 10:36:44,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:44,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708520826] [2021-10-24 10:36:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:44,316 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:44,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:44,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:44,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:36:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:44,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:36:44,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:44,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:44,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:44,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708520826] [2021-10-24 10:36:44,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708520826] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:44,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:44,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:36:44,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558224467] [2021-10-24 10:36:44,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:36:44,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:44,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:36:44,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:36:44,983 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:46,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:46,916 INFO L93 Difference]: Finished difference Result 521 states and 708 transitions. [2021-10-24 10:36:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:36:46,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2021-10-24 10:36:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:46,920 INFO L225 Difference]: With dead ends: 521 [2021-10-24 10:36:46,920 INFO L226 Difference]: Without dead ends: 416 [2021-10-24 10:36:46,922 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 94.6ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:36:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-24 10:36:46,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 208. [2021-10-24 10:36:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.328502415458937) internal successors, (275), 207 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 275 transitions. [2021-10-24 10:36:46,964 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 275 transitions. Word has length 34 [2021-10-24 10:36:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:46,964 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 275 transitions. [2021-10-24 10:36:46,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 275 transitions. [2021-10-24 10:36:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 10:36:46,966 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:46,966 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:46,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:47,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:47,181 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:47,181 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2021-10-24 10:36:47,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:47,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670547242] [2021-10-24 10:36:47,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:47,182 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:47,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:47,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:47,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:36:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:47,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:36:47,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:47,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:48,166 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:48,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670547242] [2021-10-24 10:36:48,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670547242] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:36:48,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1313619785] [2021-10-24 10:36:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:48,167 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:36:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:36:48,170 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:36:48,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:36:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:48,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:36:48,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:48,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:48,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1313619785] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:36:48,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118459169] [2021-10-24 10:36:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:48,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:36:48,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:36:48,994 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:36:49,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 10:36:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:49,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:36:49,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:49,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:49,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118459169] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:36:49,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:36:49,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-24 10:36:49,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525352587] [2021-10-24 10:36:49,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:36:49,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:49,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:36:49,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:36:49,600 INFO L87 Difference]: Start difference. First operand 208 states and 275 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 10:36:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:54,375 INFO L93 Difference]: Finished difference Result 358 states and 481 transitions. [2021-10-24 10:36:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:36:54,376 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 51 [2021-10-24 10:36:54,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:54,377 INFO L225 Difference]: With dead ends: 358 [2021-10-24 10:36:54,377 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:36:54,378 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 73.2ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:36:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:36:54,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:36:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:36:54,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-24 10:36:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:54,380 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:36:54,380 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 10:36:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:36:54,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:36:54,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:36:54,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:36:54,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:36:54,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:54,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:54,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:54,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:54,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:36:54,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:55,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:56,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:58,688 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-10-24 10:36:58,688 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-24 10:36:58,688 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:36:58,688 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-24 10:36:58,688 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 460 471) no Hoare annotation was computed. [2021-10-24 10:36:58,688 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 885) no Hoare annotation was computed. [2021-10-24 10:36:58,689 INFO L857 garLoopResultBuilder]: For program point L879-1(lines 879 885) no Hoare annotation was computed. [2021-10-24 10:36:58,689 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 885) no Hoare annotation was computed. [2021-10-24 10:36:58,689 INFO L853 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:58,689 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-24 10:36:58,689 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:36:58,690 INFO L853 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:58,690 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 818) no Hoare annotation was computed. [2021-10-24 10:36:58,690 INFO L860 garLoopResultBuilder]: At program point L781(lines 762 784) the Hoare annotation is: true [2021-10-24 10:36:58,690 INFO L853 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: false [2021-10-24 10:36:58,690 INFO L853 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:58,690 INFO L857 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2021-10-24 10:36:58,690 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:36:58,690 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 554) no Hoare annotation was computed. [2021-10-24 10:36:58,690 INFO L857 garLoopResultBuilder]: For program point L537-1(lines 537 554) no Hoare annotation was computed. [2021-10-24 10:36:58,691 INFO L857 garLoopResultBuilder]: For program point L537-2(lines 537 554) no Hoare annotation was computed. [2021-10-24 10:36:58,691 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 934) no Hoare annotation was computed. [2021-10-24 10:36:58,691 INFO L853 garLoopResultBuilder]: At program point L884(lines 875 888) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:36:58,691 INFO L853 garLoopResultBuilder]: At program point L917-1(lines 1 937) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse6))) [2021-10-24 10:36:58,691 INFO L853 garLoopResultBuilder]: At program point L884-1(lines 875 888) the Hoare annotation is: false [2021-10-24 10:36:58,691 INFO L857 garLoopResultBuilder]: For program point L917-2(lines 917 934) no Hoare annotation was computed. [2021-10-24 10:36:58,692 INFO L853 garLoopResultBuilder]: At program point L917-3(lines 1 937) the Hoare annotation is: false [2021-10-24 10:36:58,692 INFO L853 garLoopResultBuilder]: At program point L884-2(lines 875 888) the Hoare annotation is: false [2021-10-24 10:36:58,692 INFO L857 garLoopResultBuilder]: For program point L917-4(lines 917 934) no Hoare annotation was computed. [2021-10-24 10:36:58,692 INFO L853 garLoopResultBuilder]: At program point L917-5(lines 1 937) the Hoare annotation is: false [2021-10-24 10:36:58,692 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-10-24 10:36:58,692 INFO L857 garLoopResultBuilder]: For program point L802-3(lines 802 806) no Hoare annotation was computed. [2021-10-24 10:36:58,692 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-10-24 10:36:58,692 INFO L857 garLoopResultBuilder]: For program point L703-1(lines 703 707) no Hoare annotation was computed. [2021-10-24 10:36:58,693 INFO L857 garLoopResultBuilder]: For program point L802-6(lines 802 806) no Hoare annotation was computed. [2021-10-24 10:36:58,693 INFO L853 garLoopResultBuilder]: At program point L505(lines 501 523) 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) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:36:58,693 INFO L853 garLoopResultBuilder]: At program point L505-1(lines 501 523) the Hoare annotation is: false [2021-10-24 10:36:58,693 INFO L853 garLoopResultBuilder]: At program point L505-2(lines 501 523) the Hoare annotation is: false [2021-10-24 10:36:58,693 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-10-24 10:36:58,693 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L853 garLoopResultBuilder]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point L639-2(lines 639 643) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point L639-3(lines 639 643) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point L639-5(lines 639 643) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point L639-6(lines 639 643) no Hoare annotation was computed. [2021-10-24 10:36:58,694 INFO L857 garLoopResultBuilder]: For program point L639-8(lines 639 643) no Hoare annotation was computed. [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) (and .cse0 .cse4 .cse6 .cse2 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3))) [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L590-1(lines 585 593) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L590-3(lines 585 593) the Hoare annotation is: false [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L590-4(lines 585 593) the Hoare annotation is: false [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L590-5(lines 585 593) the Hoare annotation is: false [2021-10-24 10:36:58,695 INFO L853 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse6) (and .cse0 .cse1 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 .cse3 .cse5 .cse4 .cse6))) [2021-10-24 10:36:58,696 INFO L853 garLoopResultBuilder]: At program point L871-1(lines 866 874) the Hoare annotation is: false [2021-10-24 10:36:58,696 INFO L853 garLoopResultBuilder]: At program point L871-2(lines 866 874) the Hoare annotation is: false [2021-10-24 10:36:58,696 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 779) no Hoare annotation was computed. [2021-10-24 10:36:58,696 INFO L860 garLoopResultBuilder]: At program point L772-1(lines 772 779) the Hoare annotation is: true [2021-10-24 10:36:58,696 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 549) no Hoare annotation was computed. [2021-10-24 10:36:58,702 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 541 549) no Hoare annotation was computed. [2021-10-24 10:36:58,704 INFO L857 garLoopResultBuilder]: For program point L541-2(lines 541 549) no Hoare annotation was computed. [2021-10-24 10:36:58,704 INFO L857 garLoopResultBuilder]: For program point L921(lines 921 931) no Hoare annotation was computed. [2021-10-24 10:36:58,705 INFO L857 garLoopResultBuilder]: For program point L921-2(lines 921 931) no Hoare annotation was computed. [2021-10-24 10:36:58,705 INFO L857 garLoopResultBuilder]: For program point L921-4(lines 921 931) no Hoare annotation was computed. [2021-10-24 10:36:58,705 INFO L853 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-10-24 10:36:58,705 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2021-10-24 10:36:58,705 INFO L857 garLoopResultBuilder]: For program point L922-2(lines 922 928) no Hoare annotation was computed. [2021-10-24 10:36:58,705 INFO L857 garLoopResultBuilder]: For program point L790(line 790) no Hoare annotation was computed. [2021-10-24 10:36:58,706 INFO L857 garLoopResultBuilder]: For program point L922-4(lines 922 928) no Hoare annotation was computed. [2021-10-24 10:36:58,706 INFO L857 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2021-10-24 10:36:58,706 INFO L857 garLoopResultBuilder]: For program point L790-2(line 790) no Hoare annotation was computed. [2021-10-24 10:36:58,706 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-10-24 10:36:58,706 INFO L853 garLoopResultBuilder]: At program point L906(lines 505 511) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-24 10:36:58,707 INFO L853 garLoopResultBuilder]: At program point L906-1(lines 505 511) the Hoare annotation is: false [2021-10-24 10:36:58,707 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 505 511) the Hoare annotation is: false [2021-10-24 10:36:58,707 INFO L853 garLoopResultBuilder]: At program point L675(lines 1 937) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:58,707 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:36:58,707 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-10-24 10:36:58,707 INFO L853 garLoopResultBuilder]: At program point L512(lines 512 518) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4 .cse5) (and .cse0 .cse1 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 .cse3 .cse4 .cse5))) [2021-10-24 10:36:58,707 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 512 518) the Hoare annotation is: false [2021-10-24 10:36:58,707 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 512 518) the Hoare annotation is: false [2021-10-24 10:36:58,707 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 830) no Hoare annotation was computed. [2021-10-24 10:36:58,708 INFO L853 garLoopResultBuilder]: At program point L645(lines 630 648) 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 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:36:58,708 INFO L853 garLoopResultBuilder]: At program point L645-1(lines 630 648) the Hoare annotation is: false [2021-10-24 10:36:58,708 INFO L853 garLoopResultBuilder]: At program point L645-2(lines 630 648) the Hoare annotation is: false [2021-10-24 10:36:58,708 INFO L857 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-10-24 10:36:58,714 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:36:58,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:36:58 BoogieIcfgContainer [2021-10-24 10:36:58,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:36:58,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:36:58,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:36:58,757 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:36:58,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:36:36" (3/4) ... [2021-10-24 10:36:58,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:36:58,794 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:36:58,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:36:58,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:36:58,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:36:58,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:36:58,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:36:58,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:36:58,842 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) [2021-10-24 10:36:58,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,860 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 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-24 10:36:58,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:58,912 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:36:58,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:36:58,914 INFO L168 Benchmark]: Toolchain (without parser) took 26031.12 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 48.9 MB in the beginning and 83.0 MB in the end (delta: -34.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,915 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:36:58,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.89 ms. Allocated memory is still 86.0 MB. Free memory was 48.7 MB in the beginning and 54.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.22 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 51.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,916 INFO L168 Benchmark]: Boogie Preprocessor took 87.26 ms. Allocated memory is still 86.0 MB. Free memory was 51.6 MB in the beginning and 49.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,917 INFO L168 Benchmark]: RCFGBuilder took 2701.21 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 75.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,917 INFO L168 Benchmark]: TraceAbstraction took 22177.06 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 90.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,918 INFO L168 Benchmark]: Witness Printer took 156.34 ms. Allocated memory is still 132.1 MB. Free memory was 90.3 MB in the beginning and 83.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:58,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 774.89 ms. Allocated memory is still 86.0 MB. Free memory was 48.7 MB in the beginning and 54.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.22 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 51.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.26 ms. Allocated memory is still 86.0 MB. Free memory was 51.6 MB in the beginning and 49.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2701.21 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 75.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22177.06 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 90.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. * Witness Printer took 156.34 ms. Allocated memory is still 132.1 MB. Free memory was 90.3 MB in the beginning and 83.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 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: 790]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 790]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 790]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 22066.4ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 55.2ms, AutomataDifference: 7321.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3698.1ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 790 SDtfs, 926 SDslu, 1324 SDs, 0 SdLazy, 194 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6617.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 818 GetRequests, 777 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 341.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=9, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 203.0ms AutomataMinimizationTime, 10 MinimizatonAttempts, 423 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 98 NumberOfFragments, 632 HoareAnnotationTreeSize, 37 FomulaSimplifications, 25427 FormulaSimplificationTreeSizeReduction, 1338.4ms HoareSimplificationTime, 37 FomulaSimplificationsInter, 3721 FormulaSimplificationTreeSizeReductionInter, 2342.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 413.3ms SsaConstructionTime, 1981.9ms SatisfiabilityAnalysisTime, 3546.9ms InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 798 ConstructedInterpolants, 0 QuantifiedInterpolants, 1519 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2575 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 78/96 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: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 875]: 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: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:36:59,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d66761d-0306-40d0-9280-c07cbffac38e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...