./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/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_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/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_8556fd26-f2f4-41e4-89ca-aa2799a5da11/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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- 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 16:41:55,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:55,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:55,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:55,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:55,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:55,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:55,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:55,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:55,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:55,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:55,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:55,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:55,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:55,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:55,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:55,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:55,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:55,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:55,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:55,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:55,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:55,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:55,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:55,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:55,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:55,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:55,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:55,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:55,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:55,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:55,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:55,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:55,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:55,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:55,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:55,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:55,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:55,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:55,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:55,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:55,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:55,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:55,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:55,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:55,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:55,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:55,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:55,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:55,758 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:55,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:55,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:55,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:55,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:55,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:55,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:55,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:55,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:55,761 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:55,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:55,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:55,761 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:55,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:55,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:55,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:55,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:55,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:55,763 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:55,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:55,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:55,764 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_8556fd26-f2f4-41e4-89ca-aa2799a5da11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2022-10-17 16:41:56,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:56,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:56,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:56,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:56,152 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:56,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2022-10-17 16:41:56,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/data/c4ab44da0/45715be283374e7697f5bdd43c35e6bc/FLAG2cb2a04f6 [2022-10-17 16:41:56,844 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:56,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2022-10-17 16:41:56,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/data/c4ab44da0/45715be283374e7697f5bdd43c35e6bc/FLAG2cb2a04f6 [2022-10-17 16:41:57,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/data/c4ab44da0/45715be283374e7697f5bdd43c35e6bc [2022-10-17 16:41:57,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:57,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:57,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:57,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:57,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:57,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ed401c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57, skipping insertion in model container [2022-10-17 16:41:57,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:57,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:57,603 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_8556fd26-f2f4-41e4-89ca-aa2799a5da11/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2022-10-17 16:41:57,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:57,624 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:57,728 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_8556fd26-f2f4-41e4-89ca-aa2799a5da11/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2022-10-17 16:41:57,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:57,747 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:57,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57 WrapperNode [2022-10-17 16:41:57,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:57,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:57,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:57,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:57,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,813 INFO L138 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 195 [2022-10-17 16:41:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:57,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:57,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:57,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:57,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:57,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:57,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:57,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:57,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:57,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:57,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:57,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:41:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:41:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:41:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:41:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:41:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:41:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:41:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:41:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:41:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:41:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:41:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:41:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:41:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:41:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:58,007 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:58,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:58,395 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:58,523 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:58,523 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:41:58,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:58 BoogieIcfgContainer [2022-10-17 16:41:58,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:58,532 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:58,532 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:58,544 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:58,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-10-17 16:41:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-10-17 16:41:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:58,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:58,893 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 16:41:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-10-17 16:41:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-10-17 16:41:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:41:58,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:58,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:59,037 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 16:41:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2022-10-17 16:41:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-10-17 16:41:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:41:59,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:59,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:59,383 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 16:41:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2022-10-17 16:41:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-10-17 16:41:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:41:59,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:59,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:59,763 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 16:42:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2022-10-17 16:42:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2022-10-17 16:42:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:42:00,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:00,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:00,516 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 16:42:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 133 transitions. [2022-10-17 16:42:00,588 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2022-10-17 16:42:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:42:00,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:00,759 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 16:42:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 165 transitions. [2022-10-17 16:42:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2022-10-17 16:42:01,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:42:01,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:01,882 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 16:42:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 167 transitions. [2022-10-17 16:42:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2022-10-17 16:42:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:42:02,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,158 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 16:42:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 110 states and 176 transitions. [2022-10-17 16:42:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2022-10-17 16:42:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:42:02,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 186 transitions. [2022-10-17 16:42:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2022-10-17 16:42:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:42:02,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 116 states and 187 transitions. [2022-10-17 16:42:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2022-10-17 16:42:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:42:02,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 119 states and 194 transitions. [2022-10-17 16:42:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 194 transitions. [2022-10-17 16:42:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:42:03,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 195 transitions. [2022-10-17 16:42:03,865 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 195 transitions. [2022-10-17 16:42:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:42:03,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 210 transitions. [2022-10-17 16:42:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 210 transitions. [2022-10-17 16:42:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:42:04,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 134 states and 222 transitions. [2022-10-17 16:42:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 222 transitions. [2022-10-17 16:42:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:42:05,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 136 states and 226 transitions. [2022-10-17 16:42:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2022-10-17 16:42:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:42:05,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 227 transitions. [2022-10-17 16:42:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2022-10-17 16:42:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:42:05,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 138 states and 228 transitions. [2022-10-17 16:42:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 228 transitions. [2022-10-17 16:42:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:42:05,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 140 states and 232 transitions. [2022-10-17 16:42:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2022-10-17 16:42:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:42:05,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:42:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 154 states and 260 transitions. [2022-10-17 16:42:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2022-10-17 16:42:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:42:07,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:07,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:42:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 161 states and 276 transitions. [2022-10-17 16:42:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 276 transitions. [2022-10-17 16:42:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:42:08,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:42:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 164 states and 279 transitions. [2022-10-17 16:42:09,007 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2022-10-17 16:42:09,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:42:09,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:09,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:42:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 172 states and 291 transitions. [2022-10-17 16:42:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 291 transitions. [2022-10-17 16:42:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:42:10,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:10,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:42:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 173 states and 292 transitions. [2022-10-17 16:42:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2022-10-17 16:42:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:42:10,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:42:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 176 states and 297 transitions. [2022-10-17 16:42:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2022-10-17 16:42:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:42:10,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:42:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 177 states and 298 transitions. [2022-10-17 16:42:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2022-10-17 16:42:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:42:10,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:10,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:42:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 57 states and 68 transitions. [2022-10-17 16:42:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2022-10-17 16:42:10,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:42:10,680 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-10-17 16:42:10,690 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:42:10,922 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:42:10,930 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,931 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,931 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,931 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,934 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,935 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:42:10,936 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,936 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,936 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,936 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:42:10,939 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,939 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,939 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,944 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:42:10,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:42:10 ImpRootNode [2022-10-17 16:42:10,946 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:42:10,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:42:10,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:42:10,947 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:42:10,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:58" (3/4) ... [2022-10-17 16:42:10,952 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:42:10,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:42:10,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:42:10,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:42:10,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:42:10,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:42:10,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:42:10,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:42:10,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2022-10-17 16:42:10,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 16:42:10,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:42:10,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:42:10,976 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:42:10,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:42:10,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:42:11,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2022-10-17 16:42:11,086 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:42:11,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:42:11,087 INFO L158 Benchmark]: Toolchain (without parser) took 13936.45ms. Allocated memory was 86.0MB in the beginning and 192.9MB in the end (delta: 107.0MB). Free memory was 66.2MB in the beginning and 100.1MB in the end (delta: -33.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,088 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:11,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.25ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 66.0MB in the beginning and 75.9MB in the end (delta: -9.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.74ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,090 INFO L158 Benchmark]: Boogie Preprocessor took 36.72ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,090 INFO L158 Benchmark]: RCFGBuilder took 679.08ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 47.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,091 INFO L158 Benchmark]: CodeCheck took 12414.23ms. Allocated memory was 109.1MB in the beginning and 192.9MB in the end (delta: 83.9MB). Free memory was 47.0MB in the beginning and 105.2MB in the end (delta: -58.3MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,091 INFO L158 Benchmark]: Witness Printer took 139.93ms. Allocated memory is still 192.9MB. Free memory was 105.2MB in the beginning and 100.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:42:11,094 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6340 SdHoareTripleChecker+Valid, 16.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2886 mSDsluCounter, 6917 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5037 mSDsCounter, 3283 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9282 IncrementalHoareTripleChecker+Invalid, 12565 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3283 mSolverCounterUnsat, 2316 mSDtfsCounter, 9282 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10050 GetRequests, 9852 SyntacticMatches, 4 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15239 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1052 NumberOfCodeBlocks, 1052 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1026 ConstructedInterpolants, 0 QuantifiedInterpolants, 1960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 341/368 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 - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.25ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 66.0MB in the beginning and 75.9MB in the end (delta: -9.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.74ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.72ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.08ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 47.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 12414.23ms. Allocated memory was 109.1MB in the beginning and 192.9MB in the end (delta: 83.9MB). Free memory was 47.0MB in the beginning and 105.2MB in the end (delta: -58.3MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 139.93ms. Allocated memory is still 192.9MB. Free memory was 105.2MB in the beginning and 100.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:42:11,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8556fd26-f2f4-41e4-89ca-aa2799a5da11/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE