./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 ............................................................................................................................................ 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:18:46,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:18:46,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:18:46,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:18:46,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:18:46,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:18:46,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:18:46,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:18:46,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:18:46,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:18:46,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:18:46,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:18:46,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:18:46,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:18:46,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:18:46,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:18:46,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:18:46,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:18:46,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:18:46,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:18:46,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:18:46,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:18:46,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:18:46,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:18:46,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:18:46,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:18:46,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:18:46,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:18:46,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:18:46,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:18:46,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:18:46,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:18:46,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:18:46,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:18:46,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:18:46,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:18:46,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:18:46,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:18:46,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:18:46,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:18:46,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:18:46,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:18:46,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:18:46,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:18:46,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:18:46,417 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:18:46,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:18:46,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:18:46,417 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:18:46,418 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:18:46,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:18:46,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:18:46,425 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:18:46,425 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:18:46,425 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:18:46,426 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:18:46,426 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:18:46,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:18:46,427 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:18:46,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:18:46,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:18:46,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:18:46,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:18:46,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:18:46,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:18:46,428 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:18:46,429 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:18:46,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:18:46,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:18:46,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:18:46,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:18:46,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:18:46,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:18:46,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:18:46,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:18:46,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:18:46,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:18:46,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:18:46,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:18:46,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:18:46,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:18:46,433 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2021-10-24 10:18:46,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:18:46,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:18:46,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:18:46,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:18:46,721 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:18:46,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-24 10:18:46,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/1858808e0/ec744141806b4eecbb18d8cd651083e1/FLAG26c9f0a09 [2021-10-24 10:18:47,351 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:18:47,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-24 10:18:47,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/1858808e0/ec744141806b4eecbb18d8cd651083e1/FLAG26c9f0a09 [2021-10-24 10:18:47,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/1858808e0/ec744141806b4eecbb18d8cd651083e1 [2021-10-24 10:18:47,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:18:47,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:18:47,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:18:47,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:18:47,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:18:47,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:18:47" (1/1) ... [2021-10-24 10:18:47,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ade722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:47, skipping insertion in model container [2021-10-24 10:18:47,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:18:47" (1/1) ... [2021-10-24 10:18:47,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:18:47,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:18:47,956 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-24 10:18:48,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:18:48,025 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 10:18:48,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c65f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:48, skipping insertion in model container [2021-10-24 10:18:48,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:18:48,026 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:18:48,028 INFO L168 Benchmark]: Toolchain (without parser) took 368.84 ms. Allocated memory is still 115.3 MB. Free memory was 72.9 MB in the beginning and 87.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:48,028 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 115.3 MB. Free memory was 90.0 MB in the beginning and 89.9 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:18:48,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.91 ms. Allocated memory is still 115.3 MB. Free memory was 72.7 MB in the beginning and 87.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:48,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 115.3 MB. Free memory was 90.0 MB in the beginning and 89.9 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.91 ms. Allocated memory is still 115.3 MB. Free memory was 72.7 MB in the beginning and 87.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 434]: 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 10:18:50,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:18:50,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:18:50,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:18:50,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:18:50,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:18:50,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:18:50,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:18:50,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:18:50,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:18:50,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:18:50,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:18:50,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:18:50,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:18:50,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:18:50,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:18:50,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:18:50,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:18:50,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:18:50,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:18:50,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:18:50,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:18:50,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:18:50,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:18:50,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:18:50,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:18:50,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:18:50,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:18:50,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:18:50,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:18:50,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:18:50,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:18:50,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:18:50,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:18:50,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:18:50,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:18:50,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:18:50,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:18:50,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:18:50,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:18:50,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:18:50,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:18:50,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:18:50,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:18:50,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:18:50,360 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:18:50,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:18:50,360 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:18:50,361 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:18:50,361 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:18:50,362 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:18:50,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:18:50,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:18:50,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:18:50,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:18:50,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:18:50,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:18:50,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:18:50,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:18:50,366 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:18:50,367 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:18:50,367 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:18:50,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:18:50,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:18:50,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:18:50,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:18:50,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:18:50,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:18:50,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:18:50,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:18:50,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:18:50,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:18:50,370 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:18:50,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:18:50,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:18:50,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:18:50,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:18:50,372 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2021-10-24 10:18:50,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:18:50,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:18:50,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:18:50,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:18:50,810 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:18:50,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-24 10:18:50,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/2a3bba6ba/5499fd8c427d4c3c8606e2d411cd198c/FLAG2e55f43da [2021-10-24 10:18:51,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:18:51,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-24 10:18:51,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/2a3bba6ba/5499fd8c427d4c3c8606e2d411cd198c/FLAG2e55f43da [2021-10-24 10:18:51,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/data/2a3bba6ba/5499fd8c427d4c3c8606e2d411cd198c [2021-10-24 10:18:51,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:18:51,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:18:51,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:18:51,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:18:51,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:18:51,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:18:51" (1/1) ... [2021-10-24 10:18:51,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645858dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:51, skipping insertion in model container [2021-10-24 10:18:51,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:18:51" (1/1) ... [2021-10-24 10:18:51,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:18:51,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:18:52,027 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-24 10:18:52,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:18:52,101 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:18:52,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:18:52,165 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-24 10:18:52,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:18:52,201 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:18:52,235 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_d092484b-154b-41ab-a0fb-b4fb0fd8516b/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-24 10:18:52,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:18:52,319 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:18:52,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52 WrapperNode [2021-10-24 10:18:52,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:18:52,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:18:52,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:18:52,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:18:52,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:18:52,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:18:52,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:18:52,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:18:52,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:18:52,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:18:52,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:18:52,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:18:52,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (1/1) ... [2021-10-24 10:18:52,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:18:52,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:18:52,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:18:52,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:18:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:18:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:18:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:18:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:18:54,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:18:54,611 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-24 10:18:54,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:18:54 BoogieIcfgContainer [2021-10-24 10:18:54,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:18:54,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:18:54,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:18:54,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:18:54,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:18:51" (1/3) ... [2021-10-24 10:18:54,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80a7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:18:54, skipping insertion in model container [2021-10-24 10:18:54,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:18:52" (2/3) ... [2021-10-24 10:18:54,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80a7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:18:54, skipping insertion in model container [2021-10-24 10:18:54,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:18:54" (3/3) ... [2021-10-24 10:18:54,624 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2021-10-24 10:18:54,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:18:54,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:18:54,690 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:18:54,698 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 10:18:54,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:18:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 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 10:18:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:18:54,733 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:18:54,734 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:18:54,735 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 10:18:54,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:18:54,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1574942692, now seen corresponding path program 1 times [2021-10-24 10:18:54,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:18:54,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225182877] [2021-10-24 10:18:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:54,759 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:18:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:18:54,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:18:54,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:18:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:54,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:18:54,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:55,088 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 10:18:55,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:55,174 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 10:18:55,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:18:55,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225182877] [2021-10-24 10:18:55,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225182877] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:18:55,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:18:55,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:18:55,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294048820] [2021-10-24 10:18:55,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:18:55,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:55,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:18:55,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:18:55,197 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:18:55,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:55,221 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2021-10-24 10:18:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:18:55,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:18:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:55,232 INFO L225 Difference]: With dead ends: 143 [2021-10-24 10:18:55,232 INFO L226 Difference]: Without dead ends: 71 [2021-10-24 10:18:55,235 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:18:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-24 10:18:55,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-24 10:18:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4705882352941178) internal successors, (100), 70 states have internal predecessors, (100), 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 10:18:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2021-10-24 10:18:55,274 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2021-10-24 10:18:55,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:55,274 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2021-10-24 10:18:55,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:18:55,275 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-10-24 10:18:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:18:55,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:18:55,276 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:18:55,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:55,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:18:55,488 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 10:18:55,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:18:55,493 INFO L82 PathProgramCache]: Analyzing trace with hash -562353309, now seen corresponding path program 1 times [2021-10-24 10:18:55,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:18:55,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49858240] [2021-10-24 10:18:55,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:55,497 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:18:55,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:18:55,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:18:55,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:18:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:55,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:18:55,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:55,819 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 10:18:55,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:55,881 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 10:18:55,881 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:18:55,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49858240] [2021-10-24 10:18:55,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49858240] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:18:55,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:18:55,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:18:55,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465450053] [2021-10-24 10:18:55,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:18:55,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:55,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:18:55,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:18:55,889 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:18:55,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:55,917 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-10-24 10:18:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:18:55,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:18:55,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:55,919 INFO L225 Difference]: With dead ends: 71 [2021-10-24 10:18:55,919 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:18:55,920 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:18:55,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:18:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:18:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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 10:18:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:18:55,933 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 10:18:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:55,934 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:18:55,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:18:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:18:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:18:55,935 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:18:55,935 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 10:18:55,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:56,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:18:56,153 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 10:18:56,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:18:56,154 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2021-10-24 10:18:56,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:18:56,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52355014] [2021-10-24 10:18:56,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:56,155 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:18:56,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:18:56,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:18:56,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:18:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:56,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:18:56,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:56,455 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 10:18:56,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:56,557 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 10:18:56,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:18:56,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52355014] [2021-10-24 10:18:56,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52355014] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:18:56,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:18:56,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:18:56,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32984294] [2021-10-24 10:18:56,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:18:56,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:18:56,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:18:56,560 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 10:18:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:56,581 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2021-10-24 10:18:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:18:56,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 10:18:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:56,583 INFO L225 Difference]: With dead ends: 115 [2021-10-24 10:18:56,583 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 10:18:56,584 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:18:56,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 10:18:56,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2021-10-24 10:18:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 54 states have internal predecessors, (80), 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 10:18:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2021-10-24 10:18:56,594 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2021-10-24 10:18:56,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:56,595 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2021-10-24 10:18:56,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 10:18:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-10-24 10:18:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:18:56,596 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:18:56,597 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:18:56,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:56,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:18:56,814 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 10:18:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:18:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2021-10-24 10:18:56,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:18:56,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191616949] [2021-10-24 10:18:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:56,816 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:18:56,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:18:56,819 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:18:56,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:18:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:57,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:18:57,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:57,149 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 10:18:57,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:57,233 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 10:18:57,238 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:18:57,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191616949] [2021-10-24 10:18:57,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191616949] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:18:57,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:18:57,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:18:57,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547450651] [2021-10-24 10:18:57,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:18:57,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:18:57,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:18:57,242 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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 10:18:57,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:57,364 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2021-10-24 10:18:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:18:57,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-10-24 10:18:57,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:57,369 INFO L225 Difference]: With dead ends: 242 [2021-10-24 10:18:57,369 INFO L226 Difference]: Without dead ends: 194 [2021-10-24 10:18:57,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:18:57,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-24 10:18:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2021-10-24 10:18:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 94 states have internal predecessors, (138), 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 10:18:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2021-10-24 10:18:57,406 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2021-10-24 10:18:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:57,406 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2021-10-24 10:18:57,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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 10:18:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2021-10-24 10:18:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:18:57,412 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:18:57,413 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:18:57,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:57,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:18:57,613 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 10:18:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:18:57,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2021-10-24 10:18:57,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:18:57,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449269175] [2021-10-24 10:18:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:57,615 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:18:57,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:18:57,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:18:57,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:18:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:57,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:18:57,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:57,894 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 10:18:57,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:18:57,980 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:18:57,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449269175] [2021-10-24 10:18:57,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449269175] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:18:57,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:18:57,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:18:57,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576500182] [2021-10-24 10:18:57,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:18:57,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:18:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:18:57,982 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:18:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:58,130 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2021-10-24 10:18:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:18:58,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:18:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:58,131 INFO L225 Difference]: With dead ends: 285 [2021-10-24 10:18:58,131 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:18:58,132 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:18:58,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:18:58,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:18:58,133 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 10:18:58,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:18:58,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-24 10:18:58,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:58,133 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:18:58,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:18:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:18:58,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:18:58,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:18:58,137 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:18:58,137 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:18:58,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:58,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:18:58,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:18:58,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:58,770 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2021-10-24 10:18:58,770 INFO L853 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2021-10-24 10:18:58,771 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:18:58,771 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-24 10:18:58,771 INFO L853 garLoopResultBuilder]: At program point L235(lines 230 238) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,771 INFO L853 garLoopResultBuilder]: At program point L235-1(lines 230 238) the Hoare annotation is: false [2021-10-24 10:18:58,771 INFO L853 garLoopResultBuilder]: At program point L235-2(lines 230 238) the Hoare annotation is: false [2021-10-24 10:18:58,772 INFO L853 garLoopResultBuilder]: At program point L384(lines 1 907) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,772 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2021-10-24 10:18:58,772 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 186 194) no Hoare annotation was computed. [2021-10-24 10:18:58,772 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 186 194) no Hoare annotation was computed. [2021-10-24 10:18:58,772 INFO L857 garLoopResultBuilder]: For program point L401(line 401) no Hoare annotation was computed. [2021-10-24 10:18:58,772 INFO L857 garLoopResultBuilder]: For program point L401-1(line 401) no Hoare annotation was computed. [2021-10-24 10:18:58,772 INFO L857 garLoopResultBuilder]: For program point L401-2(line 401) no Hoare annotation was computed. [2021-10-24 10:18:58,773 INFO L853 garLoopResultBuilder]: At program point L831(lines 827 833) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,773 INFO L857 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2021-10-24 10:18:58,773 INFO L860 garLoopResultBuilder]: At program point L865(lines 846 868) the Hoare annotation is: true [2021-10-24 10:18:58,773 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-24 10:18:58,773 INFO L853 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: false [2021-10-24 10:18:58,773 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2021-10-24 10:18:58,774 INFO L853 garLoopResultBuilder]: At program point L338-1(lines 150 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,774 INFO L857 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2021-10-24 10:18:58,774 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-10-24 10:18:58,774 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2021-10-24 10:18:58,774 INFO L853 garLoopResultBuilder]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,774 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:18:58,775 INFO L853 garLoopResultBuilder]: At program point L157(lines 157 163) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,775 INFO L853 garLoopResultBuilder]: At program point L157-1(lines 157 163) the Hoare annotation is: false [2021-10-24 10:18:58,775 INFO L853 garLoopResultBuilder]: At program point L157-2(lines 157 163) the Hoare annotation is: false [2021-10-24 10:18:58,775 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2021-10-24 10:18:58,775 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2021-10-24 10:18:58,775 INFO L857 garLoopResultBuilder]: For program point L787-1(lines 150 156) no Hoare annotation was computed. [2021-10-24 10:18:58,776 INFO L853 garLoopResultBuilder]: At program point L226(lines 219 229) the Hoare annotation is: false [2021-10-24 10:18:58,776 INFO L853 garLoopResultBuilder]: At program point L226-1(lines 219 229) the Hoare annotation is: false [2021-10-24 10:18:58,776 INFO L853 garLoopResultBuilder]: At program point L226-2(lines 219 229) the Hoare annotation is: false [2021-10-24 10:18:58,776 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:18:58,776 INFO L857 garLoopResultBuilder]: For program point L887(lines 887 904) no Hoare annotation was computed. [2021-10-24 10:18:58,776 INFO L853 garLoopResultBuilder]: At program point L887-1(lines 1 907) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,776 INFO L857 garLoopResultBuilder]: For program point L887-2(lines 887 904) no Hoare annotation was computed. [2021-10-24 10:18:58,777 INFO L853 garLoopResultBuilder]: At program point L887-3(lines 1 907) the Hoare annotation is: false [2021-10-24 10:18:58,777 INFO L857 garLoopResultBuilder]: For program point L887-4(lines 887 904) no Hoare annotation was computed. [2021-10-24 10:18:58,777 INFO L853 garLoopResultBuilder]: At program point L887-5(lines 1 907) the Hoare annotation is: false [2021-10-24 10:18:58,777 INFO L853 garLoopResultBuilder]: At program point L392(lines 387 395) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,777 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-10-24 10:18:58,777 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-24 10:18:58,778 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-10-24 10:18:58,778 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2021-10-24 10:18:58,778 INFO L860 garLoopResultBuilder]: At program point L856-1(lines 856 863) the Hoare annotation is: true [2021-10-24 10:18:58,778 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2021-10-24 10:18:58,778 INFO L853 garLoopResultBuilder]: At program point L312-1(lines 312 318) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,778 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed. [2021-10-24 10:18:58,779 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 279 285) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,779 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:18:58,779 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 901) no Hoare annotation was computed. [2021-10-24 10:18:58,779 INFO L857 garLoopResultBuilder]: For program point L891-2(lines 891 901) no Hoare annotation was computed. [2021-10-24 10:18:58,779 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2021-10-24 10:18:58,779 INFO L857 garLoopResultBuilder]: For program point L891-4(lines 891 901) no Hoare annotation was computed. [2021-10-24 10:18:58,779 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-10-24 10:18:58,780 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,780 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-10-24 10:18:58,780 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 94 102) the Hoare annotation is: false [2021-10-24 10:18:58,780 INFO L853 garLoopResultBuilder]: At program point L99-4(lines 94 102) the Hoare annotation is: false [2021-10-24 10:18:58,780 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 94 102) the Hoare annotation is: false [2021-10-24 10:18:58,780 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2021-10-24 10:18:58,780 INFO L857 garLoopResultBuilder]: For program point L892-2(lines 892 898) no Hoare annotation was computed. [2021-10-24 10:18:58,781 INFO L857 garLoopResultBuilder]: For program point L892-4(lines 892 898) no Hoare annotation was computed. [2021-10-24 10:18:58,781 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2021-10-24 10:18:58,781 INFO L857 garLoopResultBuilder]: For program point L182-1(lines 182 199) no Hoare annotation was computed. [2021-10-24 10:18:58,781 INFO L857 garLoopResultBuilder]: For program point L182-2(lines 182 199) no Hoare annotation was computed. [2021-10-24 10:18:58,781 INFO L853 garLoopResultBuilder]: At program point L876(lines 871 878) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,781 INFO L853 garLoopResultBuilder]: At program point L150(lines 149 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:58,781 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 150 156) no Hoare annotation was computed. [2021-10-24 10:18:58,782 INFO L853 garLoopResultBuilder]: At program point L150-2(lines 149 168) the Hoare annotation is: false [2021-10-24 10:18:58,782 INFO L853 garLoopResultBuilder]: At program point L150-3(lines 149 168) the Hoare annotation is: false [2021-10-24 10:18:58,782 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2021-10-24 10:18:58,786 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:18:58,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:18:58 BoogieIcfgContainer [2021-10-24 10:18:58,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:18:58,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:18:58,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:18:58,802 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:18:58,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:18:54" (3/4) ... [2021-10-24 10:18:58,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:18:58,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:18:58,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:18:58,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:18:58,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:18:58,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:18:58,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:18:58,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:18:58,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 10:18:58,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:18:58,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:18:58,884 INFO L168 Benchmark]: Toolchain (without parser) took 7177.28 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 57.2 MB in the beginning and 42.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:58,884 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 58.7 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:18:58,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.15 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 44.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:58,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.30 ms. Allocated memory is still 75.5 MB. Free memory was 44.2 MB in the beginning and 41.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:58,885 INFO L168 Benchmark]: Boogie Preprocessor took 67.13 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 10:18:58,886 INFO L168 Benchmark]: RCFGBuilder took 2136.19 ms. Allocated memory is still 75.5 MB. Free memory was 38.9 MB in the beginning and 45.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:58,886 INFO L168 Benchmark]: TraceAbstraction took 4183.68 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 48.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:58,886 INFO L168 Benchmark]: Witness Printer took 81.19 ms. Allocated memory is still 92.3 MB. Free memory was 48.4 MB in the beginning and 42.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:58,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 58.7 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 613.15 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 44.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.30 ms. Allocated memory is still 75.5 MB. Free memory was 44.2 MB in the beginning and 41.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.13 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 2136.19 ms. Allocated memory is still 75.5 MB. Free memory was 38.9 MB in the beginning and 45.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4183.68 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 48.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * Witness Printer took 81.19 ms. Allocated memory is still 92.3 MB. Free memory was 48.4 MB in the beginning and 42.1 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: 401]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 401]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 401]: 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: 4098.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 30.2ms, AutomataDifference: 391.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 420.1ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 325 SDtfs, 379 SDslu, 394 SDs, 0 SdLazy, 68 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 144.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 82.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 83.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 333.5ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 78.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 116.0ms SsaConstructionTime, 527.4ms SatisfiabilityAnalysisTime, 956.3ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:18:58,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d092484b-154b-41ab-a0fb-b4fb0fd8516b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...