./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R --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 168393e8d033cc8a1f93b6836944286e12246452392b8a342ff0210c89948e1e --- 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-38b53e6 [2022-11-25 17:00:57,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:00:57,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:00:57,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:00:57,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:00:57,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:00:57,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:00:57,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:00:57,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:00:57,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:00:57,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:00:58,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:00:58,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:00:58,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:00:58,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:00:58,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:00:58,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:00:58,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:00:58,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:00:58,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:00:58,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:00:58,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:00:58,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:00:58,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:00:58,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:00:58,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:00:58,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:00:58,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:00:58,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:00:58,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:00:58,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:00:58,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:00:58,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:00:58,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:00:58,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:00:58,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:00:58,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:00:58,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:00:58,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:00:58,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:00:58,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:00:58,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:00:58,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:00:58,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:00:58,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:00:58,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:00:58,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:00:58,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:00:58,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:00:58,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:00:58,104 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:00:58,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:00:58,105 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:00:58,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:00:58,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:00:58,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:00:58,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:00:58,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:00:58,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:00:58,107 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:00:58,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:00:58,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:00:58,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:00:58,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:00:58,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:00:58,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:00:58,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:58,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:00:58,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:00:58,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:00:58,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:00:58,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:00:58,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:00:58,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:00:58,113 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:00:58,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:00:58,113 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168393e8d033cc8a1f93b6836944286e12246452392b8a342ff0210c89948e1e [2022-11-25 17:00:58,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:00:58,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:00:58,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:00:58,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:00:58,499 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:00:58,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2022-11-25 17:01:01,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:01:01,906 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:01:01,907 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2022-11-25 17:01:01,920 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/data/e1a877a48/aa40ee98446744f49f0e149664ecb7eb/FLAG21e04f10e [2022-11-25 17:01:01,936 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/data/e1a877a48/aa40ee98446744f49f0e149664ecb7eb [2022-11-25 17:01:01,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:01:01,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:01:01,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:01,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:01:01,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:01:01,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:01" (1/1) ... [2022-11-25 17:01:01,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5f92cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:01, skipping insertion in model container [2022-11-25 17:01:01,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:01" (1/1) ... [2022-11-25 17:01:01,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:01:02,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:01:02,204 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_f1de767c-a391-41e1-afd3-24652e4f9bca/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c[1605,1618] [2022-11-25 17:01:02,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:02,343 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:01:02,359 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_f1de767c-a391-41e1-afd3-24652e4f9bca/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c[1605,1618] [2022-11-25 17:01:02,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:02,452 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:01:02,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02 WrapperNode [2022-11-25 17:01:02,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:02,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:02,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:01:02,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:01:02,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,529 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 195 [2022-11-25 17:01:02,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:02,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:01:02,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:01:02,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:01:02,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,561 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:01:02,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:01:02,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:01:02,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:01:02,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (1/1) ... [2022-11-25 17:01:02,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:01:02,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:01:02,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:01:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:01:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-25 17:01:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-25 17:01:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-25 17:01:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-25 17:01:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-25 17:01:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-25 17:01:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-25 17:01:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-25 17:01:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-25 17:01:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-25 17:01:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-25 17:01:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-25 17:01:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-25 17:01:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-25 17:01:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:01:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-25 17:01:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-25 17:01:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:01:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:01:02,788 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:01:02,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:01:03,208 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:01:03,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:01:03,216 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:01:03,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:03 BoogieIcfgContainer [2022-11-25 17:01:03,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:01:03,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:01:03,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:01:03,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:01:03,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:01:01" (1/3) ... [2022-11-25 17:01:03,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123c6ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:03, skipping insertion in model container [2022-11-25 17:01:03,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:02" (2/3) ... [2022-11-25 17:01:03,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123c6ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:03, skipping insertion in model container [2022-11-25 17:01:03,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:03" (3/3) ... [2022-11-25 17:01:03,229 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24.cil.c [2022-11-25 17:01:03,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:01:03,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:01:03,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:01:03,322 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;@668f2e9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:01:03,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:01:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 17:01:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:01:03,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:03,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:03,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash -986087536, now seen corresponding path program 1 times [2022-11-25 17:01:03,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:03,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441738655] [2022-11-25 17:01:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:03,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:01:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:01:03,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:03,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441738655] [2022-11-25 17:01:03,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441738655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:03,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:03,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:01:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882016187] [2022-11-25 17:01:03,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:03,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:01:03,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:03,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:01:03,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:01:03,660 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:03,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:03,703 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2022-11-25 17:01:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:01:03,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-25 17:01:03,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:03,722 INFO L225 Difference]: With dead ends: 180 [2022-11-25 17:01:03,722 INFO L226 Difference]: Without dead ends: 85 [2022-11-25 17:01:03,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:01:03,736 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2022-11-25 17:01:03,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:03,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-25 17:01:03,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-25 17:01:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 17:01:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-11-25 17:01:03,786 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-11-25 17:01:03,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:03,786 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-11-25 17:01:03,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:03,787 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-11-25 17:01:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:01:03,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:03,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:03,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:01:03,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:03,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:03,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1067862747, now seen corresponding path program 1 times [2022-11-25 17:01:03,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:03,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065246051] [2022-11-25 17:01:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 17:01:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:01:03,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:03,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065246051] [2022-11-25 17:01:03,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065246051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:03,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:03,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:01:03,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041431497] [2022-11-25 17:01:03,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:03,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:01:03,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:03,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:01:03,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:03,919 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:03,942 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2022-11-25 17:01:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:01:03,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-25 17:01:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:03,948 INFO L225 Difference]: With dead ends: 131 [2022-11-25 17:01:03,949 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 17:01:03,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:03,954 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 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 [2022-11-25 17:01:03,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 17:01:03,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-25 17:01:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 17:01:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-11-25 17:01:03,970 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-11-25 17:01:03,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:03,970 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-11-25 17:01:03,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-11-25 17:01:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 17:01:03,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:03,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:03,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:01:03,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:03,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:03,975 INFO L85 PathProgramCache]: Analyzing trace with hash 862122564, now seen corresponding path program 1 times [2022-11-25 17:01:03,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:03,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763224141] [2022-11-25 17:01:03,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:01:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:01:04,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:04,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763224141] [2022-11-25 17:01:04,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763224141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:04,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:04,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:01:04,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179462451] [2022-11-25 17:01:04,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:04,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:01:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:04,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:01:04,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:04,077 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:04,120 INFO L93 Difference]: Finished difference Result 212 states and 279 transitions. [2022-11-25 17:01:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:01:04,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-25 17:01:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:04,124 INFO L225 Difference]: With dead ends: 212 [2022-11-25 17:01:04,124 INFO L226 Difference]: Without dead ends: 143 [2022-11-25 17:01:04,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:04,127 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 90 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:04,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 209 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:04,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-25 17:01:04,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2022-11-25 17:01:04,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 116 states have internal predecessors, (136), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-25 17:01:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-11-25 17:01:04,158 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 31 [2022-11-25 17:01:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:04,159 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-11-25 17:01:04,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-11-25 17:01:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 17:01:04,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:04,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:04,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:01:04,163 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:04,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:04,164 INFO L85 PathProgramCache]: Analyzing trace with hash 390614444, now seen corresponding path program 1 times [2022-11-25 17:01:04,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:04,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258273120] [2022-11-25 17:01:04,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:04,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:01:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:01:04,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:04,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258273120] [2022-11-25 17:01:04,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258273120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:04,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:04,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:01:04,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398800416] [2022-11-25 17:01:04,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:04,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:01:04,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:04,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:01:04,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:01:04,480 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:04,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:04,643 INFO L93 Difference]: Finished difference Result 400 states and 539 transitions. [2022-11-25 17:01:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:01:04,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-25 17:01:04,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:04,656 INFO L225 Difference]: With dead ends: 400 [2022-11-25 17:01:04,657 INFO L226 Difference]: Without dead ends: 267 [2022-11-25 17:01:04,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:01:04,660 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 68 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:04,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 403 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:01:04,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-25 17:01:04,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 261. [2022-11-25 17:01:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 186 states have (on average 1.3333333333333333) internal successors, (248), 213 states have internal predecessors, (248), 48 states have call successors, (48), 28 states have call predecessors, (48), 26 states have return successors, (50), 28 states have call predecessors, (50), 48 states have call successors, (50) [2022-11-25 17:01:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 346 transitions. [2022-11-25 17:01:04,743 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 346 transitions. Word has length 34 [2022-11-25 17:01:04,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:04,743 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 346 transitions. [2022-11-25 17:01:04,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:01:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 346 transitions. [2022-11-25 17:01:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 17:01:04,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:04,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:04,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:01:04,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:04,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:04,749 INFO L85 PathProgramCache]: Analyzing trace with hash 566154770, now seen corresponding path program 1 times [2022-11-25 17:01:04,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:04,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66523500] [2022-11-25 17:01:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:04,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:01:04,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:01:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:01:04,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:01:04,812 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:01:04,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:01:04,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:01:04,823 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 17:01:04,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:01:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:01:04 BoogieIcfgContainer [2022-11-25 17:01:04,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:01:04,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:01:04,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:01:04,889 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:01:04,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:03" (3/4) ... [2022-11-25 17:01:04,892 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:01:04,962 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:01:04,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:01:04,963 INFO L158 Benchmark]: Toolchain (without parser) took 3021.64ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 69.1MB in the beginning and 119.0MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:04,963 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:04,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.44ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 68.9MB in the beginning and 124.0MB in the end (delta: -55.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-25 17:01:04,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.14ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:04,965 INFO L158 Benchmark]: Boogie Preprocessor took 50.19ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:04,965 INFO L158 Benchmark]: RCFGBuilder took 636.82ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 103.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 17:01:04,966 INFO L158 Benchmark]: TraceAbstraction took 1667.22ms. Allocated memory is still 163.6MB. Free memory was 102.2MB in the beginning and 122.2MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:04,966 INFO L158 Benchmark]: Witness Printer took 73.59ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 119.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:01:04,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.44ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 68.9MB in the beginning and 124.0MB in the end (delta: -55.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.14ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.19ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.82ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 103.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1667.22ms. Allocated memory is still 163.6MB. Free memory was 102.2MB in the beginning and 122.2MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.59ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 119.0MB in the end (delta: 3.1MB). 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L379] int cleanupTimeShifts = 4; [L647] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L844] int waterLevel = 1; [L845] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] int retValue_acc ; [L456] int tmp ; [L460] FCALL select_helpers() [L461] FCALL select_features() [L462] CALL, EXPR valid_product() [L959] int retValue_acc ; [L962] retValue_acc = 1 [L963] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L462] RET, EXPR valid_product() [L462] tmp = valid_product() [L464] COND TRUE \read(tmp) [L466] FCALL setup() [L467] CALL runTest() [L446] CALL test() [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L285] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L287] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L293] tmp = __VERIFIER_nondet_int() [L295] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L297] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] COND TRUE waterLevel < 2 [L863] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L297] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___2)) [L321] tmp___1 = __VERIFIER_nondet_int() [L323] COND TRUE \read(tmp___1) [L325] CALL stopSystem() [L252] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L259] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L325] RET stopSystem() [L332] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L78] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L85] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] CALL __utac_acc__Specification3_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L883] int retValue_acc ; [L886] retValue_acc = methaneLevelCritical [L887] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L352] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] tmp = isMethaneLevelCritical() [L354] COND FALSE !(\read(tmp)) [L358] CALL, EXPR getWaterLevel() [L915] int retValue_acc ; [L918] retValue_acc = waterLevel [L919] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L358] RET, EXPR getWaterLevel() [L358] tmp___0 = getWaterLevel() [L360] COND TRUE tmp___0 == 2 [L362] CALL, EXPR isPumpRunning() [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L362] RET, EXPR isPumpRunning() [L362] tmp___1 = isPumpRunning() [L364] COND FALSE !(\read(tmp___1)) [L368] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 903 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 457 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 446 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:01:05,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1de767c-a391-41e1-afd3-24652e4f9bca/bin/uautomizer-ZsLfNo2U6R/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE