./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:53,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:53,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:53,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:53,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:53,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:53,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:53,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:53,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:53,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:53,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:53,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:53,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:53,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:53,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:53,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:53,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:53,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:53,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:53,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:53,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:53,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:53,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:53,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:53,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:53,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:53,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:53,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:53,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:53,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:53,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:53,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:53,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:53,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:53,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:53,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:53,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:53,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:53,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:53,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:53,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:53,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:53,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:53,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:53,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:53,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:53,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:53,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:53,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:53,882 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:53,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:53,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:53,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:53,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:53,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:53,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:53,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:53,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:53,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:53,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:53,886 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:53,886 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:53,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:53,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:53,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:53,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:53,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:53,888 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:53,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:53,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:53,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 [2022-10-17 16:49:54,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:54,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:54,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:54,225 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:54,226 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:54,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2022-10-17 16:49:54,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/data/5a7cd21b6/b432937239f148b49b13d0e85a0ab936/FLAGd482e1d48 [2022-10-17 16:49:54,928 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:54,928 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2022-10-17 16:49:54,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/data/5a7cd21b6/b432937239f148b49b13d0e85a0ab936/FLAGd482e1d48 [2022-10-17 16:49:55,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/data/5a7cd21b6/b432937239f148b49b13d0e85a0ab936 [2022-10-17 16:49:55,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:55,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:55,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:55,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:55,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:55,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fefc25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55, skipping insertion in model container [2022-10-17 16:49:55,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:55,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:55,580 WARN L230 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_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2022-10-17 16:49:55,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:55,687 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:55,710 WARN L230 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_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2022-10-17 16:49:55,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:55,843 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:55,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55 WrapperNode [2022-10-17 16:49:55,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:55,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:55,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:55,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:55,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,916 INFO L138 Inliner]: procedures = 55, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 239 [2022-10-17 16:49:55,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:55,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:55,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:55,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:55,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:55,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:55,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:55,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:55,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:55" (1/1) ... [2022-10-17 16:49:55,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:56,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:56,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:49:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:49:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:49:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:56,133 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:56,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:56,604 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:56,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:56,804 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:56,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:56 BoogieIcfgContainer [2022-10-17 16:49:56,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:56,810 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:56,810 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:56,822 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:56,822 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2022-10-17 16:49:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2022-10-17 16:49:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:56,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2022-10-17 16:49:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2022-10-17 16:49:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:57,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:57,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2022-10-17 16:49:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-10-17 16:49:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:49:57,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:57,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2022-10-17 16:49:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2022-10-17 16:49:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:49:57,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2022-10-17 16:49:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2022-10-17 16:49:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:57,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2022-10-17 16:49:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2022-10-17 16:49:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:58,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:58,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 86 states and 120 transitions. [2022-10-17 16:49:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2022-10-17 16:49:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:49:58,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 104 states and 159 transitions. [2022-10-17 16:49:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2022-10-17 16:49:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:49:58,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 122 states and 202 transitions. [2022-10-17 16:50:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 202 transitions. [2022-10-17 16:50:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:50:01,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:01,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:50:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:01,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:50:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:01,370 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2022-10-17 16:50:01,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:50:01 ImpRootNode [2022-10-17 16:50:01,435 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:50:01,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:50:01,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:50:01,436 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:50:01,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:56" (3/4) ... [2022-10-17 16:50:01,439 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:50:01,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:50:01,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:50:01,589 INFO L158 Benchmark]: Toolchain (without parser) took 6328.47ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 73.5MB in the beginning and 71.2MB in the end (delta: 2.3MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,590 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:01,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.50ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 4.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.47ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 70.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,592 INFO L158 Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 69.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,592 INFO L158 Benchmark]: RCFGBuilder took 838.88ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 69.1MB in the beginning and 99.9MB in the end (delta: -30.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,593 INFO L158 Benchmark]: CodeCheck took 4625.46ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 99.9MB in the beginning and 75.4MB in the end (delta: 24.5MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,593 INFO L158 Benchmark]: Witness Printer took 153.17ms. Allocated memory is still 159.4MB. Free memory was 75.4MB in the beginning and 71.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 738 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 792 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 394 mSDtfsCounter, 427 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1480 GetRequests, 1396 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 150]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int pumpRunning = 0; [L596] int systemActive = 1; [L878] int cleanupTimeShifts = 4; [L951] int retValue_acc ; [L952] int tmp ; [L956] FCALL select_helpers() [L957] FCALL select_features() [L958] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); [L958] RET, EXPR valid_product() [L958] tmp = valid_product() [L960] COND TRUE \read(tmp) [L962] FCALL setup() [L963] CALL runTest() [L945] CALL test() [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L534] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L536] COND TRUE splverifierCounter < 4 [L542] tmp = __VERIFIER_nondet_int() [L544] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L546] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 [L546] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND FALSE !(\read(tmp___2)) [L568] tmp___1 = __VERIFIER_nondet_int() [L570] COND TRUE \read(tmp___1) [L572] CALL stopSystem() [L794] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L801] systemActive = 0 [L572] RET stopSystem() [L579] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L610] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L618] CALL __utac_acc__Specification3_spec__1() [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L813] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L813] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L813] tmp = isMethaneLevelCritical() [L815] COND FALSE !(\read(tmp)) [L819] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L819] RET, EXPR getWaterLevel() [L819] tmp___0 = getWaterLevel() [L821] COND TRUE tmp___0 == 2 [L823] CALL, EXPR isPumpRunning() [L727] int retValue_acc ; [L730] retValue_acc = pumpRunning [L731] return (retValue_acc); [L823] RET, EXPR isPumpRunning() [L823] tmp___1 = isPumpRunning() [L825] COND FALSE !(\read(tmp___1)) [L829] CALL __automaton_fail() [L150] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.50ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 4.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.47ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 70.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.23ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 69.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 838.88ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 69.1MB in the beginning and 99.9MB in the end (delta: -30.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * CodeCheck took 4625.46ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 99.9MB in the beginning and 75.4MB in the end (delta: 24.5MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Witness Printer took 153.17ms. Allocated memory is still 159.4MB. Free memory was 75.4MB in the beginning and 71.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:50:01,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f48dd6-6742-4dd7-ac7d-ad651bda3b32/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE