./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 --- 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-6b4ec56 [2022-11-20 11:44:37,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:44:37,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:44:37,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:44:37,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:44:37,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:44:37,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:44:37,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:44:37,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:44:37,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:44:37,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:44:37,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:44:37,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:44:37,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:44:37,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:44:37,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:44:37,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:44:37,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:44:37,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:44:37,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:44:37,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:44:37,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:44:37,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:44:37,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:44:37,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:44:37,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:44:37,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:44:37,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:44:37,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:44:37,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:44:37,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:44:37,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:44:37,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:44:37,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:44:37,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:44:37,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:44:37,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:44:37,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:44:37,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:44:37,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:44:37,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:44:37,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:44:37,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:44:37,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:44:37,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:44:37,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:44:37,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:44:37,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:44:37,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:44:37,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:44:37,944 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:44:37,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:44:37,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:44:37,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:44:37,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:44:37,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:44:37,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:44:37,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:44:37,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:44:37,946 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:44:37,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:44:37,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:44:37,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:44:37,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:44:37,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:44:37,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:44:37,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:44:37,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:44:37,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:44:37,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:44:37,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:44:37,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:44:37,950 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:44:37,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:44:37,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:44:37,950 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_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2022-11-20 11:44:38,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:44:38,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:44:38,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:44:38,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:44:38,345 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:44:38,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2022-11-20 11:44:41,794 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:44:42,140 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:44:42,141 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2022-11-20 11:44:42,170 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/data/7c39a575f/cceeb8ba6a3e41308f1b0d03f2631a5f/FLAG8f1e0c1e9 [2022-11-20 11:44:42,201 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/data/7c39a575f/cceeb8ba6a3e41308f1b0d03f2631a5f [2022-11-20 11:44:42,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:44:42,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:44:42,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:44:42,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:44:42,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:44:42,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b00a71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42, skipping insertion in model container [2022-11-20 11:44:42,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:44:42,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:44:42,492 WARN L237 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_01950386-f866-4fb4-a178-491baf215839/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c[6299,6312] [2022-11-20 11:44:42,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:44:42,622 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:44:42,689 WARN L237 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_01950386-f866-4fb4-a178-491baf215839/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c[6299,6312] [2022-11-20 11:44:42,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:44:42,750 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:44:42,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42 WrapperNode [2022-11-20 11:44:42,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:44:42,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:44:42,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:44:42,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:44:42,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,818 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 145 [2022-11-20 11:44:42,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:44:42,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:44:42,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:44:42,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:44:42,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,884 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:44:42,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:44:42,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:44:42,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:44:42,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (1/1) ... [2022-11-20 11:44:42,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:44:42,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:44:42,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:44:42,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:44:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:44:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 11:44:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 11:44:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 11:44:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 11:44:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 11:44:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 11:44:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-20 11:44:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-20 11:44:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:44:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 11:44:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 11:44:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:44:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:44:43,124 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:44:43,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:44:43,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:44:43,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:44:43,459 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:44:43,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:44:43 BoogieIcfgContainer [2022-11-20 11:44:43,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:44:43,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:44:43,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:44:43,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:44:43,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:44:42" (1/3) ... [2022-11-20 11:44:43,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@898744d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:44:43, skipping insertion in model container [2022-11-20 11:44:43,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:44:42" (2/3) ... [2022-11-20 11:44:43,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@898744d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:44:43, skipping insertion in model container [2022-11-20 11:44:43,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:44:43" (3/3) ... [2022-11-20 11:44:43,472 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2022-11-20 11:44:43,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:44:43,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:44:43,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:44:43,660 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1bc78de1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:44:43,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:44:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 11:44:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 11:44:43,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:43,703 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:43,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:43,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:43,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1691668141, now seen corresponding path program 1 times [2022-11-20 11:44:43,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:44:43,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868222175] [2022-11-20 11:44:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:44:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:44:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:44:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:44:44,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:44:44,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868222175] [2022-11-20 11:44:44,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868222175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:44,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:44,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:44:44,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923637231] [2022-11-20 11:44:44,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:44,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:44:44,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:44:44,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:44:44,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:44:44,107 INFO L87 Difference]: Start difference. First operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:44:44,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:44,178 INFO L93 Difference]: Finished difference Result 137 states and 184 transitions. [2022-11-20 11:44:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:44:44,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 11:44:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:44,208 INFO L225 Difference]: With dead ends: 137 [2022-11-20 11:44:44,209 INFO L226 Difference]: Without dead ends: 64 [2022-11-20 11:44:44,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:44:44,224 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:44,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:44:44,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-20 11:44:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-20 11:44:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 54 states have internal predecessors, (65), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 11:44:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2022-11-20 11:44:44,302 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 32 [2022-11-20 11:44:44,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:44,303 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2022-11-20 11:44:44,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:44:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2022-11-20 11:44:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 11:44:44,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:44,313 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:44,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:44:44,314 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:44,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:44,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1926580266, now seen corresponding path program 1 times [2022-11-20 11:44:44,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:44:44,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975828911] [2022-11-20 11:44:44,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:44,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:44:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:44:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 11:44:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:44:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:44:44,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975828911] [2022-11-20 11:44:44,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975828911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:44,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:44,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:44,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575334590] [2022-11-20 11:44:44,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:44,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:44,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:44:44,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:44,617 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:44:44,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:44,658 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-11-20 11:44:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:44,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-20 11:44:44,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:44,666 INFO L225 Difference]: With dead ends: 88 [2022-11-20 11:44:44,667 INFO L226 Difference]: Without dead ends: 55 [2022-11-20 11:44:44,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:44,671 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 18 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:44,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:44:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-20 11:44:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-20 11:44:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 11:44:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2022-11-20 11:44:44,697 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 33 [2022-11-20 11:44:44,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:44,697 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-20 11:44:44,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:44:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-11-20 11:44:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 11:44:44,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:44,701 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:44,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:44:44,702 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:44,706 INFO L85 PathProgramCache]: Analyzing trace with hash 172632065, now seen corresponding path program 1 times [2022-11-20 11:44:44,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:44:44,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674535936] [2022-11-20 11:44:44,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:44,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:44:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:44:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 11:44:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:44:44,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:44:44,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674535936] [2022-11-20 11:44:44,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674535936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:44,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:44,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:44:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501764573] [2022-11-20 11:44:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:44,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:44:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:44:44,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:44:44,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:44:44,958 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:44:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:45,196 INFO L93 Difference]: Finished difference Result 207 states and 271 transitions. [2022-11-20 11:44:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:44:45,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-20 11:44:45,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:45,206 INFO L225 Difference]: With dead ends: 207 [2022-11-20 11:44:45,206 INFO L226 Difference]: Without dead ends: 160 [2022-11-20 11:44:45,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:44:45,209 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 161 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:45,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 406 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:44:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-20 11:44:45,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 134. [2022-11-20 11:44:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 106 states have (on average 1.330188679245283) internal successors, (141), 113 states have internal predecessors, (141), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2022-11-20 11:44:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 172 transitions. [2022-11-20 11:44:45,265 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 172 transitions. Word has length 38 [2022-11-20 11:44:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:45,265 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 172 transitions. [2022-11-20 11:44:45,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:44:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2022-11-20 11:44:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 11:44:45,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:45,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:45,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:44:45,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:45,269 INFO L85 PathProgramCache]: Analyzing trace with hash 408348587, now seen corresponding path program 1 times [2022-11-20 11:44:45,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:44:45,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120996883] [2022-11-20 11:44:45,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:44:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:44:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-20 11:44:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:44:45,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:44:45,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120996883] [2022-11-20 11:44:45,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120996883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:45,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:45,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:44:45,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280631319] [2022-11-20 11:44:45,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:45,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:44:45,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:44:45,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:44:45,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:44:45,588 INFO L87 Difference]: Start difference. First operand 134 states and 172 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:44:46,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:46,116 INFO L93 Difference]: Finished difference Result 433 states and 593 transitions. [2022-11-20 11:44:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:44:46,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2022-11-20 11:44:46,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:46,118 INFO L225 Difference]: With dead ends: 433 [2022-11-20 11:44:46,118 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:44:46,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:44:46,130 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 104 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:46,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 714 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:44:46,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:44:46,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:44:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:44:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:44:46,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-20 11:44:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:46,141 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:44:46,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:44:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:44:46,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:44:46,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:44:46,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:44:46,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:44:47,008 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 290 301) the Hoare annotation is: true [2022-11-20 11:44:47,008 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 290 301) no Hoare annotation was computed. [2022-11-20 11:44:47,009 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 290 301) no Hoare annotation was computed. [2022-11-20 11:44:47,009 INFO L902 garLoopResultBuilder]: At program point L449(lines 424 453) the Hoare annotation is: true [2022-11-20 11:44:47,009 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 424 453) no Hoare annotation was computed. [2022-11-20 11:44:47,009 INFO L899 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2022-11-20 11:44:47,009 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 424 453) the Hoare annotation is: true [2022-11-20 11:44:47,009 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2022-11-20 11:44:47,010 INFO L902 garLoopResultBuilder]: At program point L438-1(lines 438 442) the Hoare annotation is: true [2022-11-20 11:44:47,010 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-11-20 11:44:47,010 INFO L902 garLoopResultBuilder]: At program point L434-2(lines 434 448) the Hoare annotation is: true [2022-11-20 11:44:47,010 INFO L902 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: true [2022-11-20 11:44:47,010 INFO L899 garLoopResultBuilder]: For program point L430-1(line 430) no Hoare annotation was computed. [2022-11-20 11:44:47,010 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-20 11:44:47,011 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 114 140) no Hoare annotation was computed. [2022-11-20 11:44:47,011 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2022-11-20 11:44:47,011 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2022-11-20 11:44:47,011 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-20 11:44:47,011 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2022-11-20 11:44:47,012 INFO L895 garLoopResultBuilder]: At program point L339(lines 334 342) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2022-11-20 11:44:47,012 INFO L895 garLoopResultBuilder]: At program point L145(lines 141 147) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2022-11-20 11:44:47,012 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-20 11:44:47,012 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-20 11:44:47,012 INFO L899 garLoopResultBuilder]: For program point L418(line 418) no Hoare annotation was computed. [2022-11-20 11:44:47,012 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2022-11-20 11:44:47,013 INFO L899 garLoopResultBuilder]: For program point L121-2(lines 117 139) no Hoare annotation was computed. [2022-11-20 11:44:47,013 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-11-20 11:44:47,013 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-11-20 11:44:47,013 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 114 140) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2022-11-20 11:44:47,013 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2022-11-20 11:44:47,013 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2022-11-20 11:44:47,014 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 266 277) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-20 11:44:47,014 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 114 140) no Hoare annotation was computed. [2022-11-20 11:44:47,014 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 418) no Hoare annotation was computed. [2022-11-20 11:44:47,014 INFO L895 garLoopResultBuilder]: At program point L419(lines 414 421) the Hoare annotation is: false [2022-11-20 11:44:47,014 INFO L895 garLoopResultBuilder]: At program point L250(lines 238 252) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2022-11-20 11:44:47,014 INFO L895 garLoopResultBuilder]: At program point L919(lines 914 922) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-20 11:44:47,015 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2022-11-20 11:44:47,015 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2022-11-20 11:44:47,015 INFO L895 garLoopResultBuilder]: At program point L911(lines 907 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-20 11:44:47,015 INFO L895 garLoopResultBuilder]: At program point L482(lines 478 484) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-20 11:44:47,015 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:44:47,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:44:47,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:44:47,016 INFO L902 garLoopResultBuilder]: At program point L408(lines 345 412) the Hoare annotation is: true [2022-11-20 11:44:47,016 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 381) no Hoare annotation was computed. [2022-11-20 11:44:47,016 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 375 381) no Hoare annotation was computed. [2022-11-20 11:44:47,016 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-20 11:44:47,016 INFO L895 garLoopResultBuilder]: At program point L904(lines 900 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-20 11:44:47,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:44:47,016 INFO L895 garLoopResultBuilder]: At program point L405(lines 354 406) the Hoare annotation is: false [2022-11-20 11:44:47,017 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-11-20 11:44:47,017 INFO L895 garLoopResultBuilder]: At program point L393-2(lines 385 400) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2022-11-20 11:44:47,017 INFO L899 garLoopResultBuilder]: For program point L356(lines 355 404) no Hoare annotation was computed. [2022-11-20 11:44:47,017 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 400) no Hoare annotation was computed. [2022-11-20 11:44:47,017 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2022-11-20 11:44:47,017 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-20 11:44:47,017 INFO L899 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2022-11-20 11:44:47,018 INFO L895 garLoopResultBuilder]: At program point L377(line 377) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-20 11:44:47,018 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 181) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2022-11-20 11:44:47,018 INFO L895 garLoopResultBuilder]: At program point L402(lines 355 404) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2022-11-20 11:44:47,018 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2022-11-20 11:44:47,018 INFO L902 garLoopResultBuilder]: At program point L493(lines 485 495) the Hoare annotation is: true [2022-11-20 11:44:47,018 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2022-11-20 11:44:47,019 INFO L902 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2022-11-20 11:44:47,019 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-11-20 11:44:47,019 INFO L895 garLoopResultBuilder]: At program point L258(lines 253 260) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 11:44:47,019 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 278 289) no Hoare annotation was computed. [2022-11-20 11:44:47,019 INFO L899 garLoopResultBuilder]: For program point L282-1(lines 278 289) no Hoare annotation was computed. [2022-11-20 11:44:47,019 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 278 289) the Hoare annotation is: true [2022-11-20 11:44:47,020 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2022-11-20 11:44:47,020 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2022-11-20 11:44:47,020 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2022-11-20 11:44:47,024 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 11:44:47,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:44:47,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:44:47 BoogieIcfgContainer [2022-11-20 11:44:47,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:44:47,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:44:47,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:44:47,045 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:44:47,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:44:43" (3/4) ... [2022-11-20 11:44:47,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:44:47,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 11:44:47,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 11:44:47,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 11:44:47,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 11:44:47,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-20 11:44:47,064 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 11:44:47,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 11:44:47,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:44:47,065 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:44:47,066 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:44:47,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1 == systemActive && \result == systemActive) && pumpRunning == switchedOnBeforeTS [2022-11-20 11:44:47,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && 1 == systemActive) && \result == systemActive) && pumpRunning == switchedOnBeforeTS [2022-11-20 11:44:47,098 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == systemActive && 1 == systemActive) && \result == systemActive [2022-11-20 11:44:47,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:44:47,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:44:47,123 INFO L158 Benchmark]: Toolchain (without parser) took 4917.03ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 137.3MB in the beginning and 114.7MB in the end (delta: 22.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,123 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:44:47,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.85ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 118.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.81ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 117.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,124 INFO L158 Benchmark]: Boogie Preprocessor took 63.36ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 115.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,125 INFO L158 Benchmark]: RCFGBuilder took 573.12ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 101.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,125 INFO L158 Benchmark]: TraceAbstraction took 3580.62ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 100.7MB in the beginning and 118.9MB in the end (delta: -18.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,125 INFO L158 Benchmark]: Witness Printer took 76.83ms. Allocated memory is still 207.6MB. Free memory was 118.9MB in the beginning and 114.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:44:47,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.85ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 118.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.81ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 117.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.36ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 115.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.12ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 101.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3580.62ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 100.7MB in the beginning and 118.9MB in the end (delta: -18.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 76.83ms. Allocated memory is still 207.6MB. Free memory was 118.9MB in the beginning and 114.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 418]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 1321 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 931 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 335 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 390 mSDtfsCounter, 335 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 239 PreInvPairs, 372 NumberOfFragments, 183 HoareAnnotationTreeSize, 239 FomulaSimplifications, 547 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 2010 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS && !(0 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (tmp == systemActive && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) || (splverifierCounter == 0 && pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: splverifierCounter == 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: !(switchedOnBeforeTS == 0) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: splverifierCounter == 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 1 == systemActive) && \result == systemActive) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 1 == systemActive && splverifierCounter == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (1 == systemActive && \result == systemActive) && pumpRunning == switchedOnBeforeTS RESULT: Ultimate proved your program to be correct! [2022-11-20 11:44:47,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01950386-f866-4fb4-a178-491baf215839/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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