./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG --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 f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf ............................................................................................................................................ 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG --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 f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:40:51,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:40:51,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:40:51,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:40:51,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:40:51,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:40:51,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:40:51,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:40:51,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:40:51,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:40:51,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:40:51,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:40:51,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:40:51,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:40:51,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:40:51,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:40:51,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:40:51,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:40:51,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:40:51,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:40:51,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:40:51,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:40:51,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:40:51,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:40:51,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:40:51,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:40:51,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:40:51,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:40:51,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:40:51,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:40:51,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:40:51,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:40:51,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:40:51,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:40:51,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:40:51,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:40:51,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:40:51,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:40:51,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:40:51,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:40:51,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:40:51,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:40:51,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:40:51,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:40:51,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:40:51,560 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:40:51,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:40:51,561 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:40:51,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:40:51,561 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:40:51,562 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:40:51,562 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:40:51,570 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:40:51,570 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:40:51,571 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:40:51,571 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:40:51,571 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:40:51,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:40:51,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:40:51,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:40:51,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:40:51,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:40:51,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:40:51,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:40:51,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:40:51,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:40:51,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:40:51,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:40:51,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:40:51,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:40:51,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:40:51,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:40:51,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:51,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:40:51,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:40:51,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:40:51,579 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:40:51,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:40:51,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:40:51,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:40:51,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:40:51,580 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf [2021-10-29 04:40:51,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:40:51,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:40:51,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:40:51,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:40:51,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:40:51,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-29 04:40:52,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/9ac514ea2/c9bf237fc9374f1eb42a6537a4fc2af0/FLAG4310e0047 [2021-10-29 04:40:52,813 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:40:52,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-29 04:40:52,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/9ac514ea2/c9bf237fc9374f1eb42a6537a4fc2af0/FLAG4310e0047 [2021-10-29 04:40:53,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/9ac514ea2/c9bf237fc9374f1eb42a6537a4fc2af0 [2021-10-29 04:40:53,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:40:53,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:40:53,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:53,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:40:53,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:40:53,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:53" (1/1) ... [2021-10-29 04:40:53,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffaf5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:53, skipping insertion in model container [2021-10-29 04:40:53,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:53" (1/1) ... [2021-10-29 04:40:53,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:40:53,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:53,651 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-29 04:40:53,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:53,677 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) [2021-10-29 04:40:53,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f4afa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:53, skipping insertion in model container [2021-10-29 04:40:53,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:53,678 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:40:53,681 INFO L168 Benchmark]: Toolchain (without parser) took 584.89 ms. Allocated memory is still 136.3 MB. Free memory was 103.2 MB in the beginning and 107.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:53,683 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:40:53,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.96 ms. Allocated memory is still 136.3 MB. Free memory was 102.9 MB in the beginning and 107.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:40:53,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.96 ms. Allocated memory is still 136.3 MB. Free memory was 102.9 MB in the beginning and 107.9 MB in the end (delta: -5.0 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: 644]: 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-b2eff8b [2021-10-29 04:40:56,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:40:56,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:40:56,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:40:56,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:40:56,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:40:56,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:40:56,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:40:56,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:40:56,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:40:56,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:40:56,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:40:56,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:40:56,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:40:56,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:40:56,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:40:56,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:40:56,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:40:56,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:40:56,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:40:56,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:40:56,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:40:56,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:40:56,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:40:56,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:40:56,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:40:56,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:40:56,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:40:56,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:40:56,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:40:56,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:40:56,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:40:56,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:40:56,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:40:56,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:40:56,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:40:56,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:40:56,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:40:56,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:40:56,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:40:56,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:40:56,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:40:56,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:40:56,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:40:56,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:40:56,667 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:40:56,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:40:56,668 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:40:56,668 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:40:56,668 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:40:56,668 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:40:56,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:40:56,671 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:40:56,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:40:56,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:40:56,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:40:56,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:40:56,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:40:56,673 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:40:56,673 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:40:56,674 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:40:56,674 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:40:56,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:40:56,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:40:56,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:40:56,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:40:56,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:40:56,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:40:56,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:56,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:40:56,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:40:56,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:40:56,677 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:40:56,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:40:56,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:40:56,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:40:56,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:40:56,679 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf [2021-10-29 04:40:57,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:40:57,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:40:57,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:40:57,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:40:57,164 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:40:57,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-29 04:40:57,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/3f437d8da/ed0bcbb0ef024e2f9532d68ce717b4e9/FLAGaaefa3c5b [2021-10-29 04:40:57,930 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:40:57,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-29 04:40:57,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/3f437d8da/ed0bcbb0ef024e2f9532d68ce717b4e9/FLAGaaefa3c5b [2021-10-29 04:40:58,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/data/3f437d8da/ed0bcbb0ef024e2f9532d68ce717b4e9 [2021-10-29 04:40:58,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:40:58,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:40:58,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:58,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:40:58,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:40:58,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:58,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57360067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58, skipping insertion in model container [2021-10-29 04:40:58,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:58,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:40:58,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:58,636 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-29 04:40:58,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:58,652 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:40:58,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:40:58,750 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-29 04:40:58,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:58,755 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:40:58,852 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_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-29 04:40:58,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:40:58,885 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:40:58,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58 WrapperNode [2021-10-29 04:40:58,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:40:58,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:58,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:40:58,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:40:58,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:58,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:40:59,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:40:59,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:40:59,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:40:59,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:40:59,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:40:59,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:40:59,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:40:59,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (1/1) ... [2021-10-29 04:40:59,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:40:59,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:40:59,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:40:59,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:40:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:40:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:40:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:40:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:41:01,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:41:01,718 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-29 04:41:01,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:01 BoogieIcfgContainer [2021-10-29 04:41:01,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:41:01,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:41:01,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:41:01,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:41:01,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:40:58" (1/3) ... [2021-10-29 04:41:01,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae144fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:01, skipping insertion in model container [2021-10-29 04:41:01,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:40:58" (2/3) ... [2021-10-29 04:41:01,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae144fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:01, skipping insertion in model container [2021-10-29 04:41:01,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:01" (3/3) ... [2021-10-29 04:41:01,730 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2021-10-29 04:41:01,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:41:01,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 04:41:01,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:41:01,791 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 [2021-10-29 04:41:01,792 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:41:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 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) [2021-10-29 04:41:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:41:01,816 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:01,816 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:01,817 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:01,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:01,823 INFO L85 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2021-10-29 04:41:01,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:01,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110503678] [2021-10-29 04:41:01,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:01,839 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:01,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:01,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:01,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:41:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:02,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:41:02,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:02,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:02,279 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:02,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110503678] [2021-10-29 04:41:02,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110503678] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:02,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:02,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:41:02,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145965851] [2021-10-29 04:41:02,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:41:02,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:41:02,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:41:02,308 INFO L87 Difference]: Start difference. First operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:02,353 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-29 04:41:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:41:02,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 04:41:02,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:02,371 INFO L225 Difference]: With dead ends: 235 [2021-10-29 04:41:02,371 INFO L226 Difference]: Without dead ends: 117 [2021-10-29 04:41:02,375 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:41:02,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-29 04:41:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-29 04:41:02,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 116 states have internal predecessors, (172), 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) [2021-10-29 04:41:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-29 04:41:02,440 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-29 04:41:02,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:02,441 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-29 04:41:02,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-29 04:41:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:41:02,445 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:02,445 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:02,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:02,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:02,661 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:02,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:02,662 INFO L85 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2021-10-29 04:41:02,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:02,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572502623] [2021-10-29 04:41:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:02,664 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:02,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:02,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:41:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:02,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:41:02,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:02,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:03,039 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:03,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572502623] [2021-10-29 04:41:03,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572502623] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:03,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:03,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:41:03,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010470120] [2021-10-29 04:41:03,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:41:03,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:03,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:41:03,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:03,043 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:03,058 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-29 04:41:03,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:41:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 04:41:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:03,060 INFO L225 Difference]: With dead ends: 117 [2021-10-29 04:41:03,060 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 04:41:03,061 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 04:41:03,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-29 04:41:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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) [2021-10-29 04:41:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-29 04:41:03,068 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-29 04:41:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:03,068 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-29 04:41:03,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-29 04:41:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:41:03,070 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:03,070 INFO L513 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] [2021-10-29 04:41:03,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:03,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:03,282 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:03,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:03,283 INFO L85 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2021-10-29 04:41:03,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:03,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055098093] [2021-10-29 04:41:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:03,284 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:03,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:03,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:41:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:03,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:41:03,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:03,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:03,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:03,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055098093] [2021-10-29 04:41:03,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055098093] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:03,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:03,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:41:03,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514966250] [2021-10-29 04:41:03,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:41:03,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:03,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:41:03,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:03,659 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2021-10-29 04:41:03,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:03,710 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-29 04:41:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:41:03,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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 24 [2021-10-29 04:41:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:03,714 INFO L225 Difference]: With dead ends: 91 [2021-10-29 04:41:03,714 INFO L226 Difference]: Without dead ends: 49 [2021-10-29 04:41:03,715 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:03,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-29 04:41:03,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-29 04:41:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2021-10-29 04:41:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-29 04:41:03,728 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-29 04:41:03,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:03,728 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-29 04:41:03,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2021-10-29 04:41:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-29 04:41:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:41:03,736 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:03,736 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:03,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:03,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:03,951 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:03,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:03,951 INFO L85 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2021-10-29 04:41:03,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:03,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598206469] [2021-10-29 04:41:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:03,953 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:03,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:03,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:03,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:41:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:04,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:41:04,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:04,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:04,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:04,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598206469] [2021-10-29 04:41:04,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598206469] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:04,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:04,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:41:04,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064672048] [2021-10-29 04:41:04,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:41:04,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:41:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:41:04,310 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:04,371 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-29 04:41:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:41:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 04:41:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:04,372 INFO L225 Difference]: With dead ends: 113 [2021-10-29 04:41:04,372 INFO L226 Difference]: Without dead ends: 71 [2021-10-29 04:41:04,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:41:04,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-29 04:41:04,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-29 04:41:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 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) [2021-10-29 04:41:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-29 04:41:04,382 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-29 04:41:04,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:04,382 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-29 04:41:04,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-29 04:41:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:41:04,383 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:04,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:04,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:04,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:04,584 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:04,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2021-10-29 04:41:04,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:04,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976681218] [2021-10-29 04:41:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:04,586 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:04,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:04,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:04,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:41:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:04,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:41:04,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:04,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:04,976 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:04,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976681218] [2021-10-29 04:41:04,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976681218] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:04,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:04,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:41:04,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100570598] [2021-10-29 04:41:04,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:41:04,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:04,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:41:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:41:04,982 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-29 04:41:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:05,050 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-29 04:41:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:41:05,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-29 04:41:05,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:05,052 INFO L225 Difference]: With dead ends: 182 [2021-10-29 04:41:05,052 INFO L226 Difference]: Without dead ends: 120 [2021-10-29 04:41:05,052 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:41:05,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-29 04:41:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-29 04:41:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-29 04:41:05,068 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-29 04:41:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:05,069 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-29 04:41:05,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-29 04:41:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-29 04:41:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:41:05,075 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:05,075 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:05,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:05,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:05,289 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:05,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:05,289 INFO L85 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2021-10-29 04:41:05,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:05,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930076587] [2021-10-29 04:41:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:05,290 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:05,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:05,291 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:05,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:41:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:05,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:41:05,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:05,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:05,779 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:05,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930076587] [2021-10-29 04:41:05,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930076587] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:05,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:05,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 04:41:05,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274585735] [2021-10-29 04:41:05,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:41:05,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:05,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:41:05,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:41:05,784 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-29 04:41:05,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:05,893 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-29 04:41:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:41:05,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-29 04:41:05,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:05,902 INFO L225 Difference]: With dead ends: 387 [2021-10-29 04:41:05,903 INFO L226 Difference]: Without dead ends: 319 [2021-10-29 04:41:05,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:41:05,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-29 04:41:05,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-29 04:41:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.3880597014925373) internal successors, (186), 134 states have internal predecessors, (186), 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) [2021-10-29 04:41:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-29 04:41:05,940 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-29 04:41:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:05,942 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-29 04:41:05,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-29 04:41:05,942 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-29 04:41:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:41:05,947 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:05,947 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:05,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:06,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:06,162 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:06,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:06,163 INFO L85 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2021-10-29 04:41:06,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:06,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391702997] [2021-10-29 04:41:06,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:06,164 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:06,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:06,165 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:06,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 04:41:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:06,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:41:06,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:06,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:06,623 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:06,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391702997] [2021-10-29 04:41:06,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391702997] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:06,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:06,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:41:06,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062620475] [2021-10-29 04:41:06,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:41:06,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:06,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:41:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:41:06,625 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:06,783 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-29 04:41:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 04:41:06,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 04:41:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:06,786 INFO L225 Difference]: With dead ends: 506 [2021-10-29 04:41:06,786 INFO L226 Difference]: Without dead ends: 378 [2021-10-29 04:41:06,787 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:41:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-29 04:41:06,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-29 04:41:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 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) [2021-10-29 04:41:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-29 04:41:06,805 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-29 04:41:06,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:06,806 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-29 04:41:06,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-29 04:41:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:41:06,807 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:06,807 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:06,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:07,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:07,020 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:07,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2021-10-29 04:41:07,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:07,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313653469] [2021-10-29 04:41:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:07,021 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:07,022 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:07,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 04:41:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:07,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:41:07,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:07,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:07,494 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:07,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313653469] [2021-10-29 04:41:07,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313653469] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:07,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:07,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 04:41:07,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959348879] [2021-10-29 04:41:07,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:41:07,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:07,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:41:07,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:41:07,496 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:07,563 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-10-29 04:41:07,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:41:07,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 04:41:07,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:07,565 INFO L225 Difference]: With dead ends: 357 [2021-10-29 04:41:07,566 INFO L226 Difference]: Without dead ends: 230 [2021-10-29 04:41:07,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:41:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-29 04:41:07,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-10-29 04:41:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 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) [2021-10-29 04:41:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-29 04:41:07,583 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-29 04:41:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:07,583 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-29 04:41:07,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-29 04:41:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:41:07,584 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:07,585 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:07,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:07,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:07,798 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:07,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:07,799 INFO L85 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2021-10-29 04:41:07,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:07,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883952592] [2021-10-29 04:41:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:07,800 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:07,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:07,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:07,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 04:41:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:08,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:41:08,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:08,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:08,297 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:08,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883952592] [2021-10-29 04:41:08,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883952592] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:08,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:08,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:41:08,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212394780] [2021-10-29 04:41:08,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:41:08,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:08,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:41:08,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:08,299 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:08,388 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2021-10-29 04:41:08,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:41:08,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 04:41:08,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:08,393 INFO L225 Difference]: With dead ends: 434 [2021-10-29 04:41:08,394 INFO L226 Difference]: Without dead ends: 299 [2021-10-29 04:41:08,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:08,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-29 04:41:08,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 247. [2021-10-29 04:41:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.3414634146341464) internal successors, (330), 246 states have internal predecessors, (330), 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) [2021-10-29 04:41:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 330 transitions. [2021-10-29 04:41:08,435 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 330 transitions. Word has length 33 [2021-10-29 04:41:08,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:08,436 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 330 transitions. [2021-10-29 04:41:08,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:08,436 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 330 transitions. [2021-10-29 04:41:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:41:08,438 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:08,439 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:08,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:08,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:08,652 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:08,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2021-10-29 04:41:08,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:08,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601319387] [2021-10-29 04:41:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:08,653 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:08,654 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 04:41:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:08,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:41:08,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:09,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:09,165 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:09,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601319387] [2021-10-29 04:41:09,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601319387] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:09,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:09,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:41:09,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288872702] [2021-10-29 04:41:09,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:41:09,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:09,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:41:09,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:41:09,167 INFO L87 Difference]: Start difference. First operand 247 states and 330 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:09,242 INFO L93 Difference]: Finished difference Result 423 states and 564 transitions. [2021-10-29 04:41:09,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:41:09,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 04:41:09,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:09,246 INFO L225 Difference]: With dead ends: 423 [2021-10-29 04:41:09,246 INFO L226 Difference]: Without dead ends: 421 [2021-10-29 04:41:09,246 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:41:09,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-29 04:41:09,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 316. [2021-10-29 04:41:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.3714285714285714) internal successors, (432), 315 states have internal predecessors, (432), 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) [2021-10-29 04:41:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2021-10-29 04:41:09,281 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 34 [2021-10-29 04:41:09,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:09,282 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2021-10-29 04:41:09,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2021-10-29 04:41:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:41:09,284 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:09,284 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:09,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:09,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:09,500 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:09,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:09,501 INFO L85 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2021-10-29 04:41:09,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:09,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782403985] [2021-10-29 04:41:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:09,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:09,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:09,503 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:09,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 04:41:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:09,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:41:09,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:10,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:41:10,219 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:10,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782403985] [2021-10-29 04:41:10,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782403985] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:10,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:10,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:41:10,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276654471] [2021-10-29 04:41:10,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:41:10,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:10,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:41:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:10,222 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 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) [2021-10-29 04:41:13,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:13,706 INFO L93 Difference]: Finished difference Result 580 states and 800 transitions. [2021-10-29 04:41:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:41:13,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 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) Word has length 58 [2021-10-29 04:41:13,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:13,709 INFO L225 Difference]: With dead ends: 580 [2021-10-29 04:41:13,709 INFO L226 Difference]: Without dead ends: 271 [2021-10-29 04:41:13,710 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:41:13,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-29 04:41:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2021-10-29 04:41:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.3222222222222222) internal successors, (357), 270 states have internal predecessors, (357), 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) [2021-10-29 04:41:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 357 transitions. [2021-10-29 04:41:13,744 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 357 transitions. Word has length 58 [2021-10-29 04:41:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:13,745 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 357 transitions. [2021-10-29 04:41:13,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 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) [2021-10-29 04:41:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2021-10-29 04:41:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:41:13,747 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:13,747 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:13,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:13,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:13,962 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2021-10-29 04:41:13,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:13,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596215608] [2021-10-29 04:41:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:13,963 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:13,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:13,964 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:13,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 04:41:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:14,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:41:14,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:14,522 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:41:14,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:41:14,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:14,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596215608] [2021-10-29 04:41:14,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596215608] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:41:14,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:41:14,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 04:41:14,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830137110] [2021-10-29 04:41:14,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:41:14,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:14,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:41:14,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:41:14,683 INFO L87 Difference]: Start difference. First operand 271 states and 357 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-10-29 04:41:14,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:14,840 INFO L93 Difference]: Finished difference Result 855 states and 1127 transitions. [2021-10-29 04:41:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:41:14,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 58 [2021-10-29 04:41:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:14,846 INFO L225 Difference]: With dead ends: 855 [2021-10-29 04:41:14,846 INFO L226 Difference]: Without dead ends: 591 [2021-10-29 04:41:14,847 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:41:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-10-29 04:41:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 283. [2021-10-29 04:41:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.3085106382978724) internal successors, (369), 282 states have internal predecessors, (369), 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) [2021-10-29 04:41:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2021-10-29 04:41:14,889 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 58 [2021-10-29 04:41:14,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:14,890 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2021-10-29 04:41:14,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-10-29 04:41:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2021-10-29 04:41:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:41:14,891 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:41:14,892 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:14,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:15,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:15,107 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:41:15,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:41:15,108 INFO L85 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2021-10-29 04:41:15,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:41:15,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042933882] [2021-10-29 04:41:15,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:15,109 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:41:15,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:41:15,110 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:41:15,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 04:41:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:15,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:41:15,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:41:15,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:41:16,027 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:41:16,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042933882] [2021-10-29 04:41:16,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042933882] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:41:16,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [901475218] [2021-10-29 04:41:16,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:16,028 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:41:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:41:16,033 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:41:16,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-29 04:41:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:16,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:41:16,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:41:16,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:41:17,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [901475218] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:41:17,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386995078] [2021-10-29 04:41:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:41:17,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:41:17,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:41:17,184 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:41:17,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-29 04:41:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:41:17,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:41:17,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:41:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:41:17,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:41:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:41:18,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386995078] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:41:18,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 04:41:18,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2021-10-29 04:41:18,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881466093] [2021-10-29 04:41:18,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 04:41:18,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:41:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 04:41:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:41:18,091 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:41:23,176 INFO L93 Difference]: Finished difference Result 655 states and 858 transitions. [2021-10-29 04:41:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:41:23,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 04:41:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:41:23,178 INFO L225 Difference]: With dead ends: 655 [2021-10-29 04:41:23,178 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:41:23,180 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-29 04:41:23,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:41:23,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:41:23,180 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) [2021-10-29 04:41:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:41:23,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-29 04:41:23,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:41:23,181 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:41:23,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:41:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:41:23,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:41:23,185 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:41:23,186 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:41:23,186 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:41:23,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:23,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-29 04:41:23,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-10-29 04:41:23,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:41:23,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:41:23,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:24,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:25,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:41:31,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-29 04:41:31,474 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-29 04:41:31,474 INFO L853 garLoopResultBuilder]: At program point L597-2(lines 351 357) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2021-10-29 04:41:31,474 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 272) no Hoare annotation was computed. [2021-10-29 04:41:31,475 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-29 04:41:31,475 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 351 357) no Hoare annotation was computed. [2021-10-29 04:41:31,475 INFO L853 garLoopResultBuilder]: At program point L336(lines 331 339) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-29 04:41:31,475 INFO L853 garLoopResultBuilder]: At program point L336-1(lines 331 339) the Hoare annotation is: false [2021-10-29 04:41:31,475 INFO L853 garLoopResultBuilder]: At program point L336-2(lines 331 339) the Hoare annotation is: false [2021-10-29 04:41:31,475 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-10-29 04:41:31,476 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse5))) [2021-10-29 04:41:31,476 INFO L853 garLoopResultBuilder]: At program point L536(lines 521 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-29 04:41:31,476 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 521 539) the Hoare annotation is: false [2021-10-29 04:41:31,476 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2021-10-29 04:41:31,476 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 989) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:41:31,476 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-29 04:41:31,477 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 184) no Hoare annotation was computed. [2021-10-29 04:41:31,477 INFO L860 garLoopResultBuilder]: At program point L177-1(lines 177 184) the Hoare annotation is: true [2021-10-29 04:41:31,477 INFO L853 garLoopResultBuilder]: At program point L607(lines 558 608) the Hoare annotation is: false [2021-10-29 04:41:31,477 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 426) no Hoare annotation was computed. [2021-10-29 04:41:31,477 INFO L857 garLoopResultBuilder]: For program point L409-1(lines 409 426) no Hoare annotation was computed. [2021-10-29 04:41:31,477 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 426) no Hoare annotation was computed. [2021-10-29 04:41:31,478 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-10-29 04:41:31,478 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2021-10-29 04:41:31,478 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 1 989) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse5))) [2021-10-29 04:41:31,478 INFO L857 garLoopResultBuilder]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-10-29 04:41:31,478 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 228) no Hoare annotation was computed. [2021-10-29 04:41:31,478 INFO L853 garLoopResultBuilder]: At program point L211-3(lines 1 989) the Hoare annotation is: false [2021-10-29 04:41:31,479 INFO L857 garLoopResultBuilder]: For program point L211-4(lines 211 228) no Hoare annotation was computed. [2021-10-29 04:41:31,479 INFO L857 garLoopResultBuilder]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-10-29 04:41:31,479 INFO L853 garLoopResultBuilder]: At program point L211-5(lines 1 989) the Hoare annotation is: false [2021-10-29 04:41:31,479 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,479 INFO L857 garLoopResultBuilder]: For program point L511-2(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,479 INFO L857 garLoopResultBuilder]: For program point L511-3(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,479 INFO L857 garLoopResultBuilder]: For program point L511-5(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-6(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-8(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-9(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-11(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-12(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-14(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,480 INFO L857 garLoopResultBuilder]: For program point L511-15(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,481 INFO L857 garLoopResultBuilder]: For program point L511-17(lines 511 515) no Hoare annotation was computed. [2021-10-29 04:41:31,481 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 421) no Hoare annotation was computed. [2021-10-29 04:41:31,481 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 413 421) no Hoare annotation was computed. [2021-10-29 04:41:31,481 INFO L857 garLoopResultBuilder]: For program point L413-2(lines 413 421) no Hoare annotation was computed. [2021-10-29 04:41:31,481 INFO L853 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2) (and .cse0 .cse5 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 04:41:31,481 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 276 284) the Hoare annotation is: false [2021-10-29 04:41:31,482 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 225) no Hoare annotation was computed. [2021-10-29 04:41:31,482 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 276 284) the Hoare annotation is: false [2021-10-29 04:41:31,482 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 225) no Hoare annotation was computed. [2021-10-29 04:41:31,482 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:41:31,482 INFO L857 garLoopResultBuilder]: For program point L215-4(lines 215 225) no Hoare annotation was computed. [2021-10-29 04:41:31,482 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-29 04:41:31,483 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2021-10-29 04:41:31,483 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-29 04:41:31,483 INFO L857 garLoopResultBuilder]: For program point L216-2(lines 216 222) no Hoare annotation was computed. [2021-10-29 04:41:31,483 INFO L857 garLoopResultBuilder]: For program point L216-4(lines 216 222) no Hoare annotation was computed. [2021-10-29 04:41:31,483 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:41:31,483 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 400) no Hoare annotation was computed. [2021-10-29 04:41:31,484 INFO L857 garLoopResultBuilder]: For program point L383-1(lines 383 400) no Hoare annotation was computed. [2021-10-29 04:41:31,484 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:41:31,484 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 400) no Hoare annotation was computed. [2021-10-29 04:41:31,484 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 400) no Hoare annotation was computed. [2021-10-29 04:41:31,484 INFO L857 garLoopResultBuilder]: For program point L383-4(lines 383 400) no Hoare annotation was computed. [2021-10-29 04:41:31,484 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 400) no Hoare annotation was computed. [2021-10-29 04:41:31,485 INFO L853 garLoopResultBuilder]: At program point L351(lines 350 369) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse4) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2021-10-29 04:41:31,485 INFO L857 garLoopResultBuilder]: For program point L351-1(lines 351 357) no Hoare annotation was computed. [2021-10-29 04:41:31,485 INFO L853 garLoopResultBuilder]: At program point L351-2(lines 350 369) the Hoare annotation is: false [2021-10-29 04:41:31,485 INFO L853 garLoopResultBuilder]: At program point L351-3(lines 350 369) the Hoare annotation is: false [2021-10-29 04:41:31,485 INFO L860 garLoopResultBuilder]: At program point L186(lines 167 189) the Hoare annotation is: true [2021-10-29 04:41:31,485 INFO L853 garLoopResultBuilder]: At program point L517(lines 502 520) the Hoare annotation is: false [2021-10-29 04:41:31,486 INFO L853 garLoopResultBuilder]: At program point L517-1(lines 502 520) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4 .cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse5 .cse2 .cse6 .cse7 .cse3))) [2021-10-29 04:41:31,486 INFO L853 garLoopResultBuilder]: At program point L517-2(lines 502 520) the Hoare annotation is: false [2021-10-29 04:41:31,486 INFO L853 garLoopResultBuilder]: At program point L517-3(lines 502 520) the Hoare annotation is: false [2021-10-29 04:41:31,486 INFO L853 garLoopResultBuilder]: At program point L517-4(lines 502 520) the Hoare annotation is: false [2021-10-29 04:41:31,486 INFO L853 garLoopResultBuilder]: At program point L517-5(lines 502 520) the Hoare annotation is: false [2021-10-29 04:41:31,486 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 395) no Hoare annotation was computed. [2021-10-29 04:41:31,486 INFO L857 garLoopResultBuilder]: For program point L387-1(lines 387 395) no Hoare annotation was computed. [2021-10-29 04:41:31,487 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 327) no Hoare annotation was computed. [2021-10-29 04:41:31,487 INFO L857 garLoopResultBuilder]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2021-10-29 04:41:31,487 INFO L857 garLoopResultBuilder]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2021-10-29 04:41:31,487 INFO L857 garLoopResultBuilder]: For program point L387-3(lines 387 395) no Hoare annotation was computed. [2021-10-29 04:41:31,487 INFO L857 garLoopResultBuilder]: For program point L321-2(lines 321 327) no Hoare annotation was computed. [2021-10-29 04:41:31,487 INFO L857 garLoopResultBuilder]: For program point L387-4(lines 387 395) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point L321-3(lines 321 327) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point L387-5(lines 387 395) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point L321-4(lines 321 327) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point L321-5(lines 321 327) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-29 04:41:31,488 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 602) no Hoare annotation was computed. [2021-10-29 04:41:31,489 INFO L853 garLoopResultBuilder]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2))) [2021-10-29 04:41:31,489 INFO L853 garLoopResultBuilder]: At program point L358-1(lines 358 364) the Hoare annotation is: false [2021-10-29 04:41:31,489 INFO L853 garLoopResultBuilder]: At program point L358-2(lines 358 364) the Hoare annotation is: false [2021-10-29 04:41:31,489 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:41:31,489 INFO L857 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-10-29 04:41:31,489 INFO L857 garLoopResultBuilder]: For program point L986-1(line 986) no Hoare annotation was computed. [2021-10-29 04:41:31,490 INFO L857 garLoopResultBuilder]: For program point L986-2(line 986) no Hoare annotation was computed. [2021-10-29 04:41:31,490 INFO L853 garLoopResultBuilder]: At program point L326(lines 317 330) the Hoare annotation is: false [2021-10-29 04:41:31,490 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 317 330) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse2 .cse5 .cse6 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse5 .cse6 .cse3))) [2021-10-29 04:41:31,490 INFO L853 garLoopResultBuilder]: At program point L326-2(lines 317 330) the Hoare annotation is: false [2021-10-29 04:41:31,490 INFO L853 garLoopResultBuilder]: At program point L326-3(lines 317 330) the Hoare annotation is: false [2021-10-29 04:41:31,490 INFO L853 garLoopResultBuilder]: At program point L326-4(lines 317 330) the Hoare annotation is: false [2021-10-29 04:41:31,491 INFO L853 garLoopResultBuilder]: At program point L326-5(lines 317 330) the Hoare annotation is: false [2021-10-29 04:41:31,491 INFO L857 garLoopResultBuilder]: For program point L560(lines 559 606) no Hoare annotation was computed. [2021-10-29 04:41:31,491 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:41:31,491 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-29 04:41:31,491 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-29 04:41:31,491 INFO L853 garLoopResultBuilder]: At program point L462(lines 457 465) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse3 .cse5 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse3 .cse5 .cse4))) [2021-10-29 04:41:31,492 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2021-10-29 04:41:31,492 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2021-10-29 04:41:31,492 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-29 04:41:31,492 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-29 04:41:31,492 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2021-10-29 04:41:31,492 INFO L857 garLoopResultBuilder]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2021-10-29 04:41:31,492 INFO L857 garLoopResultBuilder]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2021-10-29 04:41:31,493 INFO L857 garLoopResultBuilder]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2021-10-29 04:41:31,493 INFO L857 garLoopResultBuilder]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2021-10-29 04:41:31,493 INFO L853 garLoopResultBuilder]: At program point L200(lines 195 202) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:41:31,493 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-29 04:41:31,496 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:41:31,498 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:41:31,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:41:31 BoogieIcfgContainer [2021-10-29 04:41:31,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:41:31,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:41:31,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:41:31,530 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:41:31,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:01" (3/4) ... [2021-10-29 04:41:31,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:41:31,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 04:41:31,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:41:31,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:41:31,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:41:31,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:41:31,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:31,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:31,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:41:31,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:41:31,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:41:31,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) [2021-10-29 04:41:31,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 04:41:31,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-29 04:41:31,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == \result) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-10-29 04:41:31,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:41:31,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:41:31,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:41:31,652 INFO L168 Benchmark]: Toolchain (without parser) took 33455.18 ms. Allocated memory was 65.0 MB in the beginning and 107.0 MB in the end (delta: 41.9 MB). Free memory was 43.1 MB in the beginning and 42.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,653 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 65.0 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:31,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.88 ms. Allocated memory is still 65.0 MB. Free memory was 42.9 MB in the beginning and 32.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.44 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 31.8 MB in the beginning and 69.0 MB in the end (delta: -37.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,654 INFO L168 Benchmark]: Boogie Preprocessor took 87.00 ms. Allocated memory is still 88.1 MB. Free memory was 69.0 MB in the beginning and 66.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,655 INFO L168 Benchmark]: RCFGBuilder took 2611.69 ms. Allocated memory is still 88.1 MB. Free memory was 66.4 MB in the beginning and 66.7 MB in the end (delta: -310.6 kB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,655 INFO L168 Benchmark]: TraceAbstraction took 29806.19 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 66.1 MB in the beginning and 52.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,655 INFO L168 Benchmark]: Witness Printer took 121.67 ms. Allocated memory is still 107.0 MB. Free memory was 52.5 MB in the beginning and 42.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:31,658 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 65.0 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 687.88 ms. Allocated memory is still 65.0 MB. Free memory was 42.9 MB in the beginning and 32.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.44 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 31.8 MB in the beginning and 69.0 MB in the end (delta: -37.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.00 ms. Allocated memory is still 88.1 MB. Free memory was 69.0 MB in the beginning and 66.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2611.69 ms. Allocated memory is still 88.1 MB. Free memory was 66.4 MB in the beginning and 66.7 MB in the end (delta: -310.6 kB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29806.19 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 66.1 MB in the beginning and 52.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. * Witness Printer took 121.67 ms. Allocated memory is still 107.0 MB. Free memory was 52.5 MB in the beginning and 42.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: 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, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 29.7s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1256 SDtfs, 1664 SDslu, 2271 SDs, 0 SdLazy, 270 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=10, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 186 NumberOfFragments, 949 HoareAnnotationTreeSize, 44 FomulaSimplifications, 596975 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 44 FomulaSimplificationsInter, 137278 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1118 ConstructedInterpolants, 0 QuantifiedInterpolants, 2315 SizeOfPredicates, 29 NumberOfNonLiveVariables, 3330 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 148/184 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: 350]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == \result) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methAndRunningLastTime == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:41:31,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c769a17-3745-48b6-8bcf-83cf7c1f1a46/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...