./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/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_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/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_f78377bd-dd78-4c44-8275-93b4e0875d48/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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c ............................................................................................................................................ 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_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/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_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/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_f78377bd-dd78-4c44-8275-93b4e0875d48/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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:18:44,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:18:44,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:18:44,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:18:44,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:18:44,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:18:44,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:18:44,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:18:44,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:18:44,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:18:44,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:18:44,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:18:44,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:18:44,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:18:44,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:18:44,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:18:44,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:18:44,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:18:44,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:18:44,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:18:44,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:18:44,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:18:44,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:18:44,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:18:44,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:18:44,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:18:44,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:18:44,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:18:44,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:18:44,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:18:44,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:18:44,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:18:44,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:18:44,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:18:44,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:18:44,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:18:44,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:18:44,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:18:44,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:18:44,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:18:44,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:18:44,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:18:44,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:18:44,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:18:44,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:18:44,473 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:18:44,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:18:44,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:18:44,474 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:18:44,474 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:18:44,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:18:44,475 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:18:44,475 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:18:44,475 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:18:44,476 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:18:44,476 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:18:44,476 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:18:44,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:18:44,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:18:44,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:18:44,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:18:44,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:18:44,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:18:44,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:18:44,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:18:44,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:18:44,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:18:44,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:18:44,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:18:44,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:18:44,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:18:44,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:18:44,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:18:44,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:18:44,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:18:44,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:18:44,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:18:44,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:18:44,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:18:44,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:18:44,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:18:44,483 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_f78377bd-dd78-4c44-8275-93b4e0875d48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2021-10-24 11:18:44,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:18:44,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:18:44,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:18:44,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:18:44,807 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:18:44,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2021-10-24 11:18:44,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/dada87599/ce7fa64e345244e887faa52c70165b0a/FLAG07851b65e [2021-10-24 11:18:45,502 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:18:45,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2021-10-24 11:18:45,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/dada87599/ce7fa64e345244e887faa52c70165b0a/FLAG07851b65e [2021-10-24 11:18:45,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/dada87599/ce7fa64e345244e887faa52c70165b0a [2021-10-24 11:18:45,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:18:45,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:18:45,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:18:45,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:18:45,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:18:45,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:45" (1/1) ... [2021-10-24 11:18:45,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e083369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:45, skipping insertion in model container [2021-10-24 11:18:45,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:45" (1/1) ... [2021-10-24 11:18:45,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:18:45,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:18:46,274 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_f78377bd-dd78-4c44-8275-93b4e0875d48/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2021-10-24 11:18:46,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:18:46,316 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 11:18:46,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e5e59c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:46, skipping insertion in model container [2021-10-24 11:18:46,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:18:46,318 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:18:46,322 INFO L168 Benchmark]: Toolchain (without parser) took 566.05 ms. Allocated memory is still 121.6 MB. Free memory was 84.1 MB in the beginning and 92.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:18:46,324 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 121.6 MB. Free memory was 92.3 MB in the beginning and 92.2 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:18:46,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.57 ms. Allocated memory is still 121.6 MB. Free memory was 83.9 MB in the beginning and 92.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:18:46,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 121.6 MB. Free memory was 92.3 MB in the beginning and 92.2 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.57 ms. Allocated memory is still 121.6 MB. Free memory was 83.9 MB in the beginning and 92.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 202]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:18:48,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:18:48,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:18:48,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:18:48,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:18:48,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:18:48,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:18:48,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:18:48,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:18:48,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:18:48,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:18:48,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:18:48,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:18:48,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:18:48,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:18:48,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:18:48,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:18:48,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:18:48,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:18:48,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:18:48,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:18:48,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:18:48,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:18:48,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:18:48,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:18:48,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:18:48,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:18:48,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:18:48,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:18:48,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:18:48,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:18:48,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:18:48,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:18:48,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:18:48,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:18:48,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:18:48,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:18:48,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:18:48,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:18:48,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:18:48,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:18:48,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:18:48,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:18:48,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:18:48,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:18:48,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:18:48,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:18:48,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:18:48,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:18:48,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:18:48,952 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:18:48,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:18:48,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:18:48,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:18:48,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:18:48,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:18:48,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:18:48,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:18:48,957 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:18:48,958 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:18:48,958 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:18:48,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:18:48,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:18:48,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:18:48,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:18:48,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:18:48,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:18:48,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:18:48,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:18:48,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:18:48,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:18:48,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:18:48,961 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:18:48,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:18:48,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:18:48,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:18:48,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:18:48,963 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_f78377bd-dd78-4c44-8275-93b4e0875d48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2021-10-24 11:18:49,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:18:49,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:18:49,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:18:49,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:18:49,417 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:18:49,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2021-10-24 11:18:49,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/54b1b9121/4c340c3822854b6683f826c0520ae485/FLAG21bc3084f [2021-10-24 11:18:50,060 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:18:50,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2021-10-24 11:18:50,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/54b1b9121/4c340c3822854b6683f826c0520ae485/FLAG21bc3084f [2021-10-24 11:18:50,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/data/54b1b9121/4c340c3822854b6683f826c0520ae485 [2021-10-24 11:18:50,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:18:50,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:18:50,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:18:50,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:18:50,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:18:50,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:50" (1/1) ... [2021-10-24 11:18:50,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e39ce9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:50, skipping insertion in model container [2021-10-24 11:18:50,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:18:50" (1/1) ... [2021-10-24 11:18:50,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:18:50,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:18:50,904 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_f78377bd-dd78-4c44-8275-93b4e0875d48/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2021-10-24 11:18:50,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:18:50,926 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:18:50,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:18:50,985 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_f78377bd-dd78-4c44-8275-93b4e0875d48/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2021-10-24 11:18:50,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:18:50,998 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:18:51,087 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_f78377bd-dd78-4c44-8275-93b4e0875d48/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2021-10-24 11:18:51,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:18:51,128 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:18:51,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51 WrapperNode [2021-10-24 11:18:51,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:18:51,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:18:51,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:18:51,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:18:51,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:18:51,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:18:51,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:18:51,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:18:51,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:18:51,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:18:51,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:18:51,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:18:51,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (1/1) ... [2021-10-24 11:18:51,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:18:51,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:18:51,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:18:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:18:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:18:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:18:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:18:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:18:54,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:18:54,189 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-24 11:18:54,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:54 BoogieIcfgContainer [2021-10-24 11:18:54,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:18:54,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:18:54,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:18:54,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:18:54,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:18:50" (1/3) ... [2021-10-24 11:18:54,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7695f3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:54, skipping insertion in model container [2021-10-24 11:18:54,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:18:51" (2/3) ... [2021-10-24 11:18:54,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7695f3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:18:54, skipping insertion in model container [2021-10-24 11:18:54,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:54" (3/3) ... [2021-10-24 11:18:54,201 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2021-10-24 11:18:54,207 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:18:54,207 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:18:54,258 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:18:54,265 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 11:18:54,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:18:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:54,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:18:54,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:54,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:18:54,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:54,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:54,304 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-10-24 11:18:54,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:54,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068154512] [2021-10-24 11:18:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:54,320 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:54,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:54,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:54,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:18:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:18:54,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:18:54,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:18:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:54,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:18:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:54,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:18:54,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068154512] [2021-10-24 11:18:54,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068154512] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:18:54,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:18:54,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:18:54,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881922506] [2021-10-24 11:18:54,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:18:54,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:18:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:18:54,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:18:54,695 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:18:54,720 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-24 11:18:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:18:54,721 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:18:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:18:54,732 INFO L225 Difference]: With dead ends: 132 [2021-10-24 11:18:54,732 INFO L226 Difference]: Without dead ends: 65 [2021-10-24 11:18:54,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:18:54,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-24 11:18:54,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-24 11:18:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-24 11:18:54,775 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-24 11:18:54,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:18:54,776 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-24 11:18:54,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-24 11:18:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:18:54,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:54,778 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:18:54,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:18:54,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:18:54,992 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-10-24 11:18:54,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:54,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160905886] [2021-10-24 11:18:54,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:54,995 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:54,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:54,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:55,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:18:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:18:55,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:18:55,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:18:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:55,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:18:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:55,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:18:55,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160905886] [2021-10-24 11:18:55,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160905886] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:18:55,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:18:55,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:18:55,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704468286] [2021-10-24 11:18:55,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:18:55,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:18:55,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:18:55,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:18:55,409 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:55,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:18:55,436 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-24 11:18:55,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:18:55,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 11:18:55,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:18:55,440 INFO L225 Difference]: With dead ends: 65 [2021-10-24 11:18:55,440 INFO L226 Difference]: Without dead ends: 31 [2021-10-24 11:18:55,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:18:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-24 11:18:55,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-24 11:18:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-24 11:18:55,458 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-24 11:18:55,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:18:55,459 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-24 11:18:55,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-24 11:18:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:18:55,461 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:55,465 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:18:55,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:18:55,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:18:55,679 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:55,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:55,680 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-10-24 11:18:55,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:55,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647026545] [2021-10-24 11:18:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:55,681 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:55,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:55,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:55,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:18:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:18:55,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:18:55,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:18:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:55,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:18:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:56,005 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:18:56,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647026545] [2021-10-24 11:18:56,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647026545] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:18:56,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:18:56,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:18:56,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818649010] [2021-10-24 11:18:56,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:18:56,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:18:56,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:18:56,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:18:56,009 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:56,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:18:56,044 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-24 11:18:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:18:56,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:18:56,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:18:56,046 INFO L225 Difference]: With dead ends: 56 [2021-10-24 11:18:56,046 INFO L226 Difference]: Without dead ends: 31 [2021-10-24 11:18:56,046 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:18:56,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-24 11:18:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-24 11:18:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-24 11:18:56,052 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-24 11:18:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:18:56,053 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-24 11:18:56,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-24 11:18:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 11:18:56,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:56,054 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:18:56,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:18:56,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:18:56,273 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:56,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:56,273 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-10-24 11:18:56,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:56,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926266913] [2021-10-24 11:18:56,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:56,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:56,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:56,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:18:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:18:56,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:18:56,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:18:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:56,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:18:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:56,750 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:18:56,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926266913] [2021-10-24 11:18:56,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926266913] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:18:56,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:18:56,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 11:18:56,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185680916] [2021-10-24 11:18:56,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:18:56,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:18:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:18:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:18:56,753 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:18:57,005 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2021-10-24 11:18:57,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:18:57,006 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 11:18:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:18:57,009 INFO L225 Difference]: With dead ends: 198 [2021-10-24 11:18:57,009 INFO L226 Difference]: Without dead ends: 173 [2021-10-24 11:18:57,010 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 144.9ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 11:18:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-24 11:18:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2021-10-24 11:18:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 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 11:18:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2021-10-24 11:18:57,028 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2021-10-24 11:18:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:18:57,029 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2021-10-24 11:18:57,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-10-24 11:18:57,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:18:57,031 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:57,031 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 11:18:57,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:18:57,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:18:57,245 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:57,245 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2021-10-24 11:18:57,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:57,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350207019] [2021-10-24 11:18:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:57,247 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:57,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:57,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:57,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:18:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:18:57,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:18:57,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:18:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:57,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:18:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:57,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:18:57,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350207019] [2021-10-24 11:18:57,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350207019] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:18:57,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:18:57,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:18:57,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622926052] [2021-10-24 11:18:57,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:18:57,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:18:57,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:18:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:18:57,615 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:58,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:18:58,900 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2021-10-24 11:18:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:18:58,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:18:58,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:18:58,902 INFO L225 Difference]: With dead ends: 190 [2021-10-24 11:18:58,902 INFO L226 Difference]: Without dead ends: 124 [2021-10-24 11:18:58,903 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:18:58,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-24 11:18:58,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2021-10-24 11:18:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 121 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-10-24 11:18:58,921 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2021-10-24 11:18:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:18:58,922 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-10-24 11:18:58,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-10-24 11:18:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 11:18:58,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:58,924 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:18:58,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:18:59,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:18:59,137 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:59,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:59,137 INFO L82 PathProgramCache]: Analyzing trace with hash 972122298, now seen corresponding path program 1 times [2021-10-24 11:18:59,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:59,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080272258] [2021-10-24 11:18:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:59,138 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:59,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:59,139 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:59,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:18:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:18:59,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:18:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:18:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:59,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:18:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:18:59,582 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:18:59,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080272258] [2021-10-24 11:18:59,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080272258] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:18:59,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:18:59,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:18:59,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759343521] [2021-10-24 11:18:59,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:18:59,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:18:59,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:18:59,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:18:59,585 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:59,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:18:59,601 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2021-10-24 11:18:59,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:18:59,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-24 11:18:59,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:18:59,602 INFO L225 Difference]: With dead ends: 176 [2021-10-24 11:18:59,603 INFO L226 Difference]: Without dead ends: 60 [2021-10-24 11:18:59,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:18:59,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-24 11:18:59,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-24 11:18:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-24 11:18:59,614 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2021-10-24 11:18:59,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:18:59,615 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-24 11:18:59,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:18:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-24 11:18:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-24 11:18:59,617 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:18:59,618 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:18:59,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:18:59,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:18:59,834 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:18:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:18:59,835 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2021-10-24 11:18:59,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:18:59,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141246384] [2021-10-24 11:18:59,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:18:59,837 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:18:59,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:18:59,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:18:59,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:19:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:00,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 11:19:00,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:00,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:00,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:00,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141246384] [2021-10-24 11:19:00,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141246384] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:19:00,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [426754365] [2021-10-24 11:19:00,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:00,575 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:19:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:19:00,578 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:19:00,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-24 11:19:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:00,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:19:00,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 11:19:01,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 11:19:01,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [426754365] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:01,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:19:01,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 11:19:01,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26710830] [2021-10-24 11:19:01,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:19:01,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:01,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:19:01,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:19:01,186 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:01,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:01,309 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-10-24 11:19:01,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:19:01,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-24 11:19:01,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:01,310 INFO L225 Difference]: With dead ends: 118 [2021-10-24 11:19:01,311 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:19:01,312 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 122.1ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 11:19:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:19:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:19:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:19:01,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-24 11:19:01,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:01,314 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:19:01,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:19:01,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:19:01,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:19:01,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:19:01,319 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:19:01,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:01,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:01,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 11:19:01,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:19:01,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:01,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:19:02,228 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2021-10-24 11:19:02,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:19:02,229 INFO L853 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,229 INFO L853 garLoopResultBuilder]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2021-10-24 11:19:02,229 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2021-10-24 11:19:02,230 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2021-10-24 11:19:02,230 INFO L857 garLoopResultBuilder]: For program point L797-1(lines 622 628) no Hoare annotation was computed. [2021-10-24 11:19:02,230 INFO L853 garLoopResultBuilder]: At program point L715(lines 708 718) the Hoare annotation is: false [2021-10-24 11:19:02,230 INFO L853 garLoopResultBuilder]: At program point L715-1(lines 708 718) the Hoare annotation is: false [2021-10-24 11:19:02,230 INFO L853 garLoopResultBuilder]: At program point L137(lines 132 140) the Hoare annotation is: false [2021-10-24 11:19:02,230 INFO L853 garLoopResultBuilder]: At program point L715-2(lines 708 718) the Hoare annotation is: false [2021-10-24 11:19:02,230 INFO L853 garLoopResultBuilder]: At program point L137-1(lines 132 140) the Hoare annotation is: false [2021-10-24 11:19:02,231 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2021-10-24 11:19:02,231 INFO L853 garLoopResultBuilder]: At program point L137-2(lines 132 140) the Hoare annotation is: false [2021-10-24 11:19:02,231 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2021-10-24 11:19:02,231 INFO L860 garLoopResultBuilder]: At program point L864-1(lines 864 871) the Hoare annotation is: true [2021-10-24 11:19:02,231 INFO L853 garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: false [2021-10-24 11:19:02,231 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:19:02,233 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 128) no Hoare annotation was computed. [2021-10-24 11:19:02,233 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 902) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,233 INFO L857 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2021-10-24 11:19:02,234 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2021-10-24 11:19:02,234 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2021-10-24 11:19:02,235 INFO L857 garLoopResultBuilder]: For program point L654-1(lines 654 671) no Hoare annotation was computed. [2021-10-24 11:19:02,235 INFO L857 garLoopResultBuilder]: For program point L654-2(lines 654 671) no Hoare annotation was computed. [2021-10-24 11:19:02,235 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 559) no Hoare annotation was computed. [2021-10-24 11:19:02,235 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2021-10-24 11:19:02,236 INFO L853 garLoopResultBuilder]: At program point L886-1(lines 1 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,236 INFO L857 garLoopResultBuilder]: For program point L886-2(lines 886 899) no Hoare annotation was computed. [2021-10-24 11:19:02,236 INFO L853 garLoopResultBuilder]: At program point L886-3(lines 1 902) the Hoare annotation is: false [2021-10-24 11:19:02,236 INFO L857 garLoopResultBuilder]: For program point L886-4(lines 886 899) no Hoare annotation was computed. [2021-10-24 11:19:02,236 INFO L853 garLoopResultBuilder]: At program point L886-5(lines 1 902) the Hoare annotation is: false [2021-10-24 11:19:02,237 INFO L853 garLoopResultBuilder]: At program point L622(lines 621 640) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,237 INFO L857 garLoopResultBuilder]: For program point L622-1(lines 622 628) no Hoare annotation was computed. [2021-10-24 11:19:02,237 INFO L853 garLoopResultBuilder]: At program point L622-2(lines 621 640) the Hoare annotation is: false [2021-10-24 11:19:02,237 INFO L853 garLoopResultBuilder]: At program point L622-3(lines 621 640) the Hoare annotation is: false [2021-10-24 11:19:02,238 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2021-10-24 11:19:02,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:19:02,238 INFO L853 garLoopResultBuilder]: At program point L573-1(lines 573 579) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,238 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2021-10-24 11:19:02,239 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 595) no Hoare annotation was computed. [2021-10-24 11:19:02,239 INFO L853 garLoopResultBuilder]: At program point L591-2(lines 622 628) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,239 INFO L853 garLoopResultBuilder]: At program point L724(lines 719 727) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,239 INFO L853 garLoopResultBuilder]: At program point L724-1(lines 719 727) the Hoare annotation is: false [2021-10-24 11:19:02,240 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2021-10-24 11:19:02,240 INFO L853 garLoopResultBuilder]: At program point L724-2(lines 719 727) the Hoare annotation is: false [2021-10-24 11:19:02,240 INFO L857 garLoopResultBuilder]: For program point L658-1(lines 658 666) no Hoare annotation was computed. [2021-10-24 11:19:02,240 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 666) no Hoare annotation was computed. [2021-10-24 11:19:02,240 INFO L860 garLoopResultBuilder]: At program point L873(lines 854 876) the Hoare annotation is: true [2021-10-24 11:19:02,241 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2021-10-24 11:19:02,241 INFO L857 garLoopResultBuilder]: For program point L890-2(lines 890 896) no Hoare annotation was computed. [2021-10-24 11:19:02,241 INFO L857 garLoopResultBuilder]: For program point L890-4(lines 890 896) no Hoare annotation was computed. [2021-10-24 11:19:02,241 INFO L853 garLoopResultBuilder]: At program point L841(lines 837 843) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,241 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:19:02,242 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2021-10-24 11:19:02,242 INFO L853 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: false [2021-10-24 11:19:02,242 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,242 INFO L857 garLoopResultBuilder]: For program point L777(line 777) no Hoare annotation was computed. [2021-10-24 11:19:02,243 INFO L857 garLoopResultBuilder]: For program point L777-1(line 777) no Hoare annotation was computed. [2021-10-24 11:19:02,243 INFO L857 garLoopResultBuilder]: For program point L777-2(line 777) no Hoare annotation was computed. [2021-10-24 11:19:02,243 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-24 11:19:02,243 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2021-10-24 11:19:02,243 INFO L857 garLoopResultBuilder]: For program point L100-6(lines 100 104) no Hoare annotation was computed. [2021-10-24 11:19:02,244 INFO L857 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2021-10-24 11:19:02,244 INFO L853 garLoopResultBuilder]: At program point L629(lines 629 635) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,244 INFO L853 garLoopResultBuilder]: At program point L629-1(lines 629 635) the Hoare annotation is: false [2021-10-24 11:19:02,244 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2021-10-24 11:19:02,245 INFO L853 garLoopResultBuilder]: At program point L629-2(lines 629 635) the Hoare annotation is: false [2021-10-24 11:19:02,245 INFO L853 garLoopResultBuilder]: At program point L563-1(lines 563 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:19:02,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:19:02,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:19:02 BoogieIcfgContainer [2021-10-24 11:19:02,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:19:02,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:19:02,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:19:02,294 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:19:02,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:18:54" (3/4) ... [2021-10-24 11:19:02,298 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:19:02,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:19:02,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:19:02,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:19:02,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:19:02,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:19:02,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:19:02,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:19:02,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:19:02,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:19:02,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:19:02,424 INFO L168 Benchmark]: Toolchain (without parser) took 12023.63 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 51.0 MB in the beginning and 36.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,425 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:19:02,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.73 ms. Allocated memory is still 71.3 MB. Free memory was 50.9 MB in the beginning and 41.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.60 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 38.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,427 INFO L168 Benchmark]: Boogie Preprocessor took 91.51 ms. Allocated memory is still 71.3 MB. Free memory was 38.2 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,427 INFO L168 Benchmark]: RCFGBuilder took 2873.28 ms. Allocated memory is still 71.3 MB. Free memory was 36.1 MB in the beginning and 33.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,428 INFO L168 Benchmark]: TraceAbstraction took 8098.58 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 32.9 MB in the beginning and 42.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,428 INFO L168 Benchmark]: Witness Printer took 129.60 ms. Allocated memory is still 92.3 MB. Free memory was 42.5 MB in the beginning and 36.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:02,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 35.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 728.73 ms. Allocated memory is still 71.3 MB. Free memory was 50.9 MB in the beginning and 41.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.60 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 38.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.51 ms. Allocated memory is still 71.3 MB. Free memory was 38.2 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2873.28 ms. Allocated memory is still 71.3 MB. Free memory was 36.1 MB in the beginning and 33.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8098.58 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 32.9 MB in the beginning and 42.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 129.60 ms. Allocated memory is still 92.3 MB. Free memory was 42.5 MB in the beginning and 36.2 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: 777]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 777]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 777]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7993.8ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 18.4ms, AutomataDifference: 1828.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 492.9ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 378 SDtfs, 602 SDslu, 391 SDs, 0 SdLazy, 93 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1410.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 296.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 92.6ms AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2069 FormulaSimplificationTreeSizeReduction, 361.0ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 120.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 199.7ms SsaConstructionTime, 952.7ms SatisfiabilityAnalysisTime, 1840.6ms InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 750 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1618 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:19:02,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78377bd-dd78-4c44-8275-93b4e0875d48/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...