./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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 b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef ............................................................................................................................................ 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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 b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:55:25,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:55:25,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:55:25,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:55:25,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:55:25,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:55:25,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:55:25,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:55:25,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:55:25,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:55:25,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:55:25,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:55:25,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:55:25,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:55:25,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:55:25,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:55:25,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:55:25,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:55:25,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:55:25,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:55:25,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:55:25,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:55:25,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:55:25,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:55:25,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:55:25,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:55:25,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:55:25,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:55:25,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:55:25,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:55:25,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:55:25,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:55:25,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:55:25,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:55:25,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:55:25,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:55:25,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:55:25,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:55:25,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:55:25,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:55:25,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:55:25,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:55:25,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:55:25,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:55:25,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:55:25,306 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:55:25,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:55:25,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:55:25,307 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:55:25,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:55:25,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:55:25,308 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:55:25,308 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:55:25,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:55:25,309 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:55:25,309 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:55:25,309 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:55:25,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:55:25,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:55:25,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:55:25,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:55:25,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:55:25,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:55:25,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:55:25,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:55:25,312 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:55:25,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:55:25,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:55:25,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:55:25,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:55:25,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:55:25,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:55:25,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:55:25,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:55:25,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:55:25,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:55:25,315 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:55:25,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:55:25,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:55:25,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:55:25,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:55:25,322 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2021-10-24 10:55:25,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:55:25,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:55:25,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:55:25,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:55:25,665 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:55:25,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-24 10:55:25,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/46e6edb88/937eddef5c9747f08433e99455f67ea3/FLAGb882f4a24 [2021-10-24 10:55:26,458 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:55:26,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-24 10:55:26,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/46e6edb88/937eddef5c9747f08433e99455f67ea3/FLAGb882f4a24 [2021-10-24 10:55:26,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/46e6edb88/937eddef5c9747f08433e99455f67ea3 [2021-10-24 10:55:26,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:55:26,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:55:26,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:26,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:55:26,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:55:26,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:26" (1/1) ... [2021-10-24 10:55:26,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bffd0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:26, skipping insertion in model container [2021-10-24 10:55:26,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:26" (1/1) ... [2021-10-24 10:55:26,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:55:26,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:55:27,173 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-10-24 10:55:27,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:55:27,263 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 10:55:27,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@640b46ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:27, skipping insertion in model container [2021-10-24 10:55:27,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:27,264 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:55:27,279 INFO L168 Benchmark]: Toolchain (without parser) took 525.84 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 73.4 MB in the beginning and 117.5 MB in the end (delta: -44.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:27,280 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 107.0 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:55:27,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.48 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 73.1 MB in the beginning and 117.5 MB in the end (delta: -44.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:27,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 107.0 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.48 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 73.1 MB in the beginning and 117.5 MB in the end (delta: -44.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 579]: 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 10:55:30,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:55:30,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:55:30,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:55:30,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:55:30,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:55:30,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:55:30,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:55:30,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:55:30,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:55:30,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:55:30,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:55:30,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:55:30,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:55:30,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:55:30,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:55:30,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:55:30,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:55:30,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:55:30,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:55:30,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:55:30,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:55:30,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:55:30,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:55:30,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:55:30,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:55:30,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:55:30,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:55:30,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:55:30,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:55:30,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:55:30,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:55:30,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:55:30,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:55:30,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:55:30,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:55:30,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:55:30,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:55:30,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:55:30,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:55:30,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:55:30,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:55:30,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:55:30,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:55:30,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:55:30,346 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:55:30,347 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:55:30,347 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:55:30,347 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:55:30,348 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:55:30,348 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:55:30,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:55:30,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:55:30,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:55:30,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:55:30,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:55:30,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:55:30,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:55:30,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:55:30,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:55:30,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:55:30,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:55:30,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:55:30,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:55:30,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:55:30,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:55:30,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:55:30,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:55:30,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:55:30,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:55:30,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:55:30,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:55:30,358 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:55:30,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:55:30,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:55:30,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:55:30,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:55:30,360 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2021-10-24 10:55:30,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:55:30,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:55:30,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:55:30,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:55:30,890 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:55:30,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-24 10:55:30,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/d725e08e6/aaaf57079a714b15a9584ff33bb8fff7/FLAG6a44684e7 [2021-10-24 10:55:31,791 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:55:31,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-10-24 10:55:31,817 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/d725e08e6/aaaf57079a714b15a9584ff33bb8fff7/FLAG6a44684e7 [2021-10-24 10:55:32,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/data/d725e08e6/aaaf57079a714b15a9584ff33bb8fff7 [2021-10-24 10:55:32,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:55:32,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:55:32,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:32,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:55:32,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:55:32,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18aea6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32, skipping insertion in model container [2021-10-24 10:55:32,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:55:32,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:55:32,434 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-10-24 10:55:32,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:55:32,588 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:55:32,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:55:32,631 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-10-24 10:55:32,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:55:32,700 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:55:32,778 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_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-10-24 10:55:32,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:55:32,829 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:55:32,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32 WrapperNode [2021-10-24 10:55:32,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:55:32,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:55:32,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:55:32,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:55:32,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:55:32,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:55:32,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:55:32,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:55:32,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:32,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:33,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:33,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:33,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:55:33,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:55:33,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:55:33,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:55:33,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (1/1) ... [2021-10-24 10:55:33,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:55:33,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:55:33,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:55:33,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:55:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:55:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:55:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:55:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:55:35,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:55:35,874 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-24 10:55:35,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:55:35 BoogieIcfgContainer [2021-10-24 10:55:35,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:55:35,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:55:35,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:55:35,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:55:35,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:55:32" (1/3) ... [2021-10-24 10:55:35,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aae7b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:55:35, skipping insertion in model container [2021-10-24 10:55:35,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:55:32" (2/3) ... [2021-10-24 10:55:35,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aae7b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:55:35, skipping insertion in model container [2021-10-24 10:55:35,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:55:35" (3/3) ... [2021-10-24 10:55:35,887 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2021-10-24 10:55:35,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:55:35,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:55:35,962 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:55:35,969 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 10:55:35,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:55:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 10:55:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:55:36,009 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:36,010 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:55:36,011 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 10:55:36,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:36,020 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-24 10:55:36,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:36,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439058964] [2021-10-24 10:55:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:36,044 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:36,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:36,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:36,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:55:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:36,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:55:36,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:55:36,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:36,571 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 10:55:36,572 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:36,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439058964] [2021-10-24 10:55:36,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439058964] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:36,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:55:36,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:55:36,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798476519] [2021-10-24 10:55:36,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:55:36,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:36,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:55:36,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:55:36,602 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:36,632 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-24 10:55:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:55:36,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:55:36,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:36,646 INFO L225 Difference]: With dead ends: 144 [2021-10-24 10:55:36,646 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 10:55:36,650 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:55:36,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 10:55:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 10:55:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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 10:55:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-24 10:55:36,698 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-24 10:55:36,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:36,699 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-24 10:55:36,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-24 10:55:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:55:36,703 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:36,704 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:55:36,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:55:36,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:55:36,917 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 10:55:36,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:36,918 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-24 10:55:36,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:36,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889293087] [2021-10-24 10:55:36,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:36,920 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:36,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:36,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:36,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:55:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:37,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:55:37,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:37,239 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 10:55:37,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:37,307 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 10:55:37,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:37,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889293087] [2021-10-24 10:55:37,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889293087] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:37,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:55:37,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:55:37,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089935707] [2021-10-24 10:55:37,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:55:37,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:37,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:55:37,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:55:37,313 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:37,332 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-24 10:55:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:55:37,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:55:37,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:37,334 INFO L225 Difference]: With dead ends: 71 [2021-10-24 10:55:37,335 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:55:37,336 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:55:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:55:37,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:55:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 10:55:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-24 10:55:37,343 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-24 10:55:37,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:37,343 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-24 10:55:37,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-24 10:55:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:55:37,345 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:37,345 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:55:37,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:55:37,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:55:37,561 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 10:55:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-24 10:55:37,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:37,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498696296] [2021-10-24 10:55:37,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:37,564 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:37,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:37,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:37,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:55:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:37,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:55:37,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:37,935 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 10:55:37,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:38,016 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 10:55:38,017 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:38,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498696296] [2021-10-24 10:55:38,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498696296] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:38,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:55:38,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:55:38,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251040947] [2021-10-24 10:55:38,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:55:38,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:38,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:55:38,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:55:38,021 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:38,060 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-24 10:55:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:55:38,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:55:38,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:38,063 INFO L225 Difference]: With dead ends: 60 [2021-10-24 10:55:38,063 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:55:38,064 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:55:38,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:55:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:55:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 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 10:55:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-24 10:55:38,071 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-24 10:55:38,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:38,072 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-24 10:55:38,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-24 10:55:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 10:55:38,074 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:38,074 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] [2021-10-24 10:55:38,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:55:38,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:55:38,295 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 10:55:38,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:38,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-24 10:55:38,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:38,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949744369] [2021-10-24 10:55:38,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:38,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:38,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:38,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:55:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:38,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:55:38,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:38,690 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 10:55:38,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:38,835 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 10:55:38,835 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:38,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949744369] [2021-10-24 10:55:38,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949744369] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:38,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:55:38,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:55:38,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953677776] [2021-10-24 10:55:38,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:55:38,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:38,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:55:38,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:55:38,839 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 10:55:39,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:39,150 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-10-24 10:55:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:55:39,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 23 [2021-10-24 10:55:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:39,154 INFO L225 Difference]: With dead ends: 220 [2021-10-24 10:55:39,155 INFO L226 Difference]: Without dead ends: 193 [2021-10-24 10:55:39,156 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 164.4ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:55:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-10-24 10:55:39,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2021-10-24 10:55:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 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 10:55:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-10-24 10:55:39,176 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2021-10-24 10:55:39,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:39,176 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-10-24 10:55:39,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 10:55:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-10-24 10:55:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:55:39,178 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:39,179 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:55:39,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:55:39,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:55:39,393 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 10:55:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:39,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2021-10-24 10:55:39,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:39,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051757156] [2021-10-24 10:55:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:39,395 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:39,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:39,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:39,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:55:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:39,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:55:39,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:39,786 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 10:55:39,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:39,862 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 10:55:39,863 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:39,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051757156] [2021-10-24 10:55:39,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051757156] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:39,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:55:39,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:55:39,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768108299] [2021-10-24 10:55:39,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:55:39,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:39,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:55:39,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:55:39,866 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 10:55:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:41,395 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2021-10-24 10:55:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:55:41,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:55:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:41,398 INFO L225 Difference]: With dead ends: 202 [2021-10-24 10:55:41,398 INFO L226 Difference]: Without dead ends: 130 [2021-10-24 10:55:41,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:55:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-24 10:55:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2021-10-24 10:55:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 127 states have internal predecessors, (177), 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 10:55:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2021-10-24 10:55:41,447 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2021-10-24 10:55:41,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:41,448 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2021-10-24 10:55:41,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 10:55:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2021-10-24 10:55:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:55:41,452 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:41,453 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:55:41,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:55:41,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:55:41,672 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 10:55:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:41,673 INFO L82 PathProgramCache]: Analyzing trace with hash -69063013, now seen corresponding path program 1 times [2021-10-24 10:55:41,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:41,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555783978] [2021-10-24 10:55:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:41,674 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:41,675 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:41,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:55:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:41,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:55:41,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:42,149 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 10:55:42,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:42,284 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 10:55:42,285 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:42,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555783978] [2021-10-24 10:55:42,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555783978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:42,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:55:42,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:55:42,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29834462] [2021-10-24 10:55:42,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:55:42,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:42,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:55:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:55:42,288 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:42,304 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2021-10-24 10:55:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:55:42,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-24 10:55:42,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:42,306 INFO L225 Difference]: With dead ends: 182 [2021-10-24 10:55:42,306 INFO L226 Difference]: Without dead ends: 60 [2021-10-24 10:55:42,307 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:55:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-24 10:55:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-24 10:55:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 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 10:55:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-24 10:55:42,319 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2021-10-24 10:55:42,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:42,320 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-24 10:55:42,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:55:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-24 10:55:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-24 10:55:42,322 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:55:42,323 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:55:42,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:55:42,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:55:42,533 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 10:55:42,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:55:42,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2021-10-24 10:55:42,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:55:42,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754987794] [2021-10-24 10:55:42,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:42,536 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:55:42,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:55:42,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:55:42,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:55:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:42,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:55:42,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:55:43,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:55:43,238 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:55:43,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754987794] [2021-10-24 10:55:43,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754987794] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:55:43,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [862521574] [2021-10-24 10:55:43,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:55:43,239 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:55:43,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:55:43,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:55:43,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-24 10:55:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:55:43,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:55:43,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:55:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 10:55:43,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:55:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 10:55:43,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [862521574] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:55:43,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:55:43,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:55:43,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260683944] [2021-10-24 10:55:43,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:55:43,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:55:43,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:55:43,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:55:43,875 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 10:55:43,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:55:43,978 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-10-24 10:55:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:55:43,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 39 [2021-10-24 10:55:43,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:55:43,980 INFO L225 Difference]: With dead ends: 118 [2021-10-24 10:55:43,980 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:55:43,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 104.3ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:55:43,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:55:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:55:43,981 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 10:55:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:55:43,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-24 10:55:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:55:43,982 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:55:43,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 10:55:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:55:43,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:55:43,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:55:43,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:55:43,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:55:44,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:55:44,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-10-24 10:55:44,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:55:44,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:55:44,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:44,866 INFO L853 garLoopResultBuilder]: At program point L448(lines 443 451) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,866 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-10-24 10:55:44,866 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-24 10:55:44,866 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,867 INFO L853 garLoopResultBuilder]: At program point L350(lines 346 352) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,867 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:55:44,867 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 413) no Hoare annotation was computed. [2021-10-24 10:55:44,867 INFO L853 garLoopResultBuilder]: At program point L400-1(lines 1 915) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,867 INFO L857 garLoopResultBuilder]: For program point L400-2(lines 400 413) no Hoare annotation was computed. [2021-10-24 10:55:44,867 INFO L853 garLoopResultBuilder]: At program point L400-3(lines 1 915) the Hoare annotation is: false [2021-10-24 10:55:44,867 INFO L857 garLoopResultBuilder]: For program point L400-4(lines 400 413) no Hoare annotation was computed. [2021-10-24 10:55:44,868 INFO L853 garLoopResultBuilder]: At program point L400-5(lines 1 915) the Hoare annotation is: false [2021-10-24 10:55:44,868 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-10-24 10:55:44,868 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 138 144) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,868 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-10-24 10:55:44,868 INFO L853 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: false [2021-10-24 10:55:44,868 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2021-10-24 10:55:44,868 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 187) no Hoare annotation was computed. [2021-10-24 10:55:44,869 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2021-10-24 10:55:44,869 INFO L860 garLoopResultBuilder]: At program point L385(lines 366 388) the Hoare annotation is: true [2021-10-24 10:55:44,869 INFO L857 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2021-10-24 10:55:44,869 INFO L853 garLoopResultBuilder]: At program point L138(lines 137 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,869 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2021-10-24 10:55:44,869 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 137 156) the Hoare annotation is: false [2021-10-24 10:55:44,870 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 137 156) the Hoare annotation is: false [2021-10-24 10:55:44,870 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-10-24 10:55:44,870 INFO L857 garLoopResultBuilder]: For program point L404-2(lines 404 410) no Hoare annotation was computed. [2021-10-24 10:55:44,870 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:55:44,870 INFO L857 garLoopResultBuilder]: For program point L404-4(lines 404 410) no Hoare annotation was computed. [2021-10-24 10:55:44,870 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:55:44,870 INFO L857 garLoopResultBuilder]: For program point L272-3(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:55:44,871 INFO L857 garLoopResultBuilder]: For program point L272-5(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:55:44,871 INFO L857 garLoopResultBuilder]: For program point L272-6(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:55:44,871 INFO L857 garLoopResultBuilder]: For program point L272-8(lines 272 276) no Hoare annotation was computed. [2021-10-24 10:55:44,871 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:55:44,871 INFO L853 garLoopResultBuilder]: At program point L223(lines 218 226) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,871 INFO L853 garLoopResultBuilder]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2021-10-24 10:55:44,872 INFO L853 garLoopResultBuilder]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2021-10-24 10:55:44,872 INFO L853 garLoopResultBuilder]: At program point L537(lines 532 540) the Hoare annotation is: false [2021-10-24 10:55:44,872 INFO L853 garLoopResultBuilder]: At program point L537-1(lines 532 540) the Hoare annotation is: false [2021-10-24 10:55:44,872 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 475) no Hoare annotation was computed. [2021-10-24 10:55:44,872 INFO L853 garLoopResultBuilder]: At program point L537-2(lines 532 540) the Hoare annotation is: false [2021-10-24 10:55:44,872 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2021-10-24 10:55:44,872 INFO L857 garLoopResultBuilder]: For program point L306-1(lines 138 144) no Hoare annotation was computed. [2021-10-24 10:55:44,873 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2021-10-24 10:55:44,873 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 174 182) no Hoare annotation was computed. [2021-10-24 10:55:44,873 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2021-10-24 10:55:44,873 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-24 10:55:44,873 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,873 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-10-24 10:55:44,874 INFO L853 garLoopResultBuilder]: At program point L440(lines 1 915) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,874 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:55:44,874 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-10-24 10:55:44,874 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 383) no Hoare annotation was computed. [2021-10-24 10:55:44,874 INFO L860 garLoopResultBuilder]: At program point L376-1(lines 376 383) the Hoare annotation is: true [2021-10-24 10:55:44,874 INFO L853 garLoopResultBuilder]: At program point L145(lines 145 151) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,875 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 145 151) the Hoare annotation is: false [2021-10-24 10:55:44,875 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 145 151) the Hoare annotation is: false [2021-10-24 10:55:44,875 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-24 10:55:44,875 INFO L857 garLoopResultBuilder]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2021-10-24 10:55:44,875 INFO L857 garLoopResultBuilder]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2021-10-24 10:55:44,875 INFO L853 garLoopResultBuilder]: At program point L278(lines 263 281) the Hoare annotation is: false [2021-10-24 10:55:44,875 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 263 281) the Hoare annotation is: false [2021-10-24 10:55:44,876 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 263 281) the Hoare annotation is: false [2021-10-24 10:55:44,876 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-10-24 10:55:44,876 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:55:44,897 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-10-24 10:55:44,897 INFO L853 garLoopResultBuilder]: At program point L528(lines 523 531) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:44,897 INFO L853 garLoopResultBuilder]: At program point L528-1(lines 523 531) the Hoare annotation is: false [2021-10-24 10:55:44,898 INFO L853 garLoopResultBuilder]: At program point L528-2(lines 523 531) the Hoare annotation is: false [2021-10-24 10:55:44,898 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-10-24 10:55:44,898 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-24 10:55:44,898 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-24 10:55:44,899 INFO L857 garLoopResultBuilder]: For program point L546-1(line 546) no Hoare annotation was computed. [2021-10-24 10:55:44,899 INFO L857 garLoopResultBuilder]: For program point L546-2(line 546) no Hoare annotation was computed. [2021-10-24 10:55:44,904 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:55:44,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:55:44 BoogieIcfgContainer [2021-10-24 10:55:44,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:55:44,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:55:44,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:55:44,923 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:55:44,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:55:35" (3/4) ... [2021-10-24 10:55:44,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:55:44,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:55:44,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:55:44,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:55:44,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:55:44,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:55:44,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:55:44,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:55:44,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:55:45,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:55:45,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:55:45,019 INFO L168 Benchmark]: Toolchain (without parser) took 13002.60 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 73.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,020 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory was 32.8 MB in the beginning and 32.7 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:55:45,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.06 ms. Allocated memory is still 75.5 MB. Free memory was 52.3 MB in the beginning and 44.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.08 ms. Allocated memory is still 75.5 MB. Free memory was 44.3 MB in the beginning and 41.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,021 INFO L168 Benchmark]: Boogie Preprocessor took 108.52 ms. Allocated memory is still 75.5 MB. Free memory was 41.3 MB in the beginning and 39.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,022 INFO L168 Benchmark]: RCFGBuilder took 2852.93 ms. Allocated memory is still 75.5 MB. Free memory was 39.2 MB in the beginning and 41.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,022 INFO L168 Benchmark]: TraceAbstraction took 9043.27 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 40.7 MB in the beginning and 80.2 MB in the end (delta: -39.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,023 INFO L168 Benchmark]: Witness Printer took 95.35 ms. Allocated memory is still 102.8 MB. Free memory was 80.2 MB in the beginning and 73.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:45,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory was 32.8 MB in the beginning and 32.7 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 812.06 ms. Allocated memory is still 75.5 MB. Free memory was 52.3 MB in the beginning and 44.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.08 ms. Allocated memory is still 75.5 MB. Free memory was 44.3 MB in the beginning and 41.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.52 ms. Allocated memory is still 75.5 MB. Free memory was 41.3 MB in the beginning and 39.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2852.93 ms. Allocated memory is still 75.5 MB. Free memory was 39.2 MB in the beginning and 41.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9043.27 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 40.7 MB in the beginning and 80.2 MB in the end (delta: -39.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 95.35 ms. Allocated memory is still 102.8 MB. Free memory was 80.2 MB in the beginning and 73.9 MB in the end (delta: 6.3 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: 546]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 546]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 546]: 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, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8943.1ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 35.7ms, AutomataDifference: 2116.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 463.8ms, InitialAbstractionConstructionTime: 17.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 405 SDtfs, 549 SDslu, 492 SDs, 0 SdLazy, 116 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1672.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 301.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 123.3ms AutomataMinimizationTime, 7 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2069 FormulaSimplificationTreeSizeReduction, 347.9ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 105.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 252.9ms SsaConstructionTime, 1054.1ms SatisfiabilityAnalysisTime, 2065.9ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1622 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:55:45,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9e229b-ce8a-45b3-b4ae-6aee7d91f72c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...