./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS --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 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee --- 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-4e7fbc6 [2022-11-23 01:45:07,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:45:07,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:45:07,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:45:07,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:45:07,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:45:07,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:45:07,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:45:07,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:45:07,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:45:07,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:45:07,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:45:07,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:45:07,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:45:07,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:45:07,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:45:07,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:45:07,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:45:07,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:45:07,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:45:07,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:45:07,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:45:07,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:45:07,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:45:07,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:45:07,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:45:07,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:45:07,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:45:07,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:45:07,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:45:07,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:45:07,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:45:07,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:45:07,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:45:07,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:45:07,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:45:07,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:45:07,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:45:07,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:45:07,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:45:07,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:45:07,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 01:45:07,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:45:07,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:45:07,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:45:07,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:45:07,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:45:07,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:45:07,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:45:07,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:45:07,281 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:45:07,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:45:07,281 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:45:07,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:45:07,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:45:07,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:45:07,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:45:07,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:45:07,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:45:07,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:45:07,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:45:07,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:45:07,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:45:07,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:45:07,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:45:07,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:45:07,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:45:07,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:45:07,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:45:07,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:45:07,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:45:07,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:45:07,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:45:07,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:45:07,285 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:45:07,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:45:07,286 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_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee [2022-11-23 01:45:07,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:45:07,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:45:07,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:45:07,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:45:07,644 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:45:07,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2022-11-23 01:45:10,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:45:11,068 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:45:11,068 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2022-11-23 01:45:11,083 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/data/cc41a7ec7/e13125e4f4f34ea6a7309a11ea0cc7d6/FLAGdbdee0b17 [2022-11-23 01:45:11,102 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/data/cc41a7ec7/e13125e4f4f34ea6a7309a11ea0cc7d6 [2022-11-23 01:45:11,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:45:11,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:45:11,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:45:11,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:45:11,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:45:11,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bd1ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11, skipping insertion in model container [2022-11-23 01:45:11,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:45:11,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:45:11,386 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_8044d69d-61e4-4369-ad7e-61a976a6cb6c/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2022-11-23 01:45:11,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:45:11,516 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:45:11,548 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_8044d69d-61e4-4369-ad7e-61a976a6cb6c/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2022-11-23 01:45:11,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:45:11,670 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:45:11,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11 WrapperNode [2022-11-23 01:45:11,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:45:11,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:45:11,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:45:11,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:45:11,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,721 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 154 [2022-11-23 01:45:11,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:45:11,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:45:11,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:45:11,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:45:11,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,783 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:45:11,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:45:11,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:45:11,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:45:11,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (1/1) ... [2022-11-23 01:45:11,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:45:11,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:45:11,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:45:11,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:45:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:45:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-23 01:45:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-23 01:45:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 01:45:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 01:45:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 01:45:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 01:45:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 01:45:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 01:45:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-23 01:45:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-23 01:45:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-23 01:45:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-23 01:45:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 01:45:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 01:45:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:45:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 01:45:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 01:45:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:45:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:45:11,946 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:45:11,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:45:12,221 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:45:12,228 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:45:12,228 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 01:45:12,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:12 BoogieIcfgContainer [2022-11-23 01:45:12,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:45:12,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:45:12,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:45:12,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:45:12,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:45:11" (1/3) ... [2022-11-23 01:45:12,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a31cfa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:45:12, skipping insertion in model container [2022-11-23 01:45:12,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:11" (2/3) ... [2022-11-23 01:45:12,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a31cfa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:45:12, skipping insertion in model container [2022-11-23 01:45:12,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:12" (3/3) ... [2022-11-23 01:45:12,240 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2022-11-23 01:45:12,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:45:12,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 01:45:12,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:45:12,353 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;@75750f35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:45:12,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 01:45:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 01:45:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 01:45:12,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:45:12,376 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] [2022-11-23 01:45:12,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:45:12,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:45:12,391 INFO L85 PathProgramCache]: Analyzing trace with hash -210904548, now seen corresponding path program 1 times [2022-11-23 01:45:12,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:45:12,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016222751] [2022-11-23 01:45:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:45:12,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:45:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:45:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:45:12,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:45:12,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016222751] [2022-11-23 01:45:12,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016222751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:45:12,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:45:12,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:45:12,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898358039] [2022-11-23 01:45:12,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:45:12,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 01:45:12,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:45:12,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 01:45:12,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:45:12,789 INFO L87 Difference]: Start difference. First operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) 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) [2022-11-23 01:45:12,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:45:12,864 INFO L93 Difference]: Finished difference Result 164 states and 219 transitions. [2022-11-23 01:45:12,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 01:45:12,866 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 [2022-11-23 01:45:12,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:45:12,880 INFO L225 Difference]: With dead ends: 164 [2022-11-23 01:45:12,880 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 01:45:12,887 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 [2022-11-23 01:45:12,895 INFO L413 NwaCegarLoop]: 106 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, 106 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 [2022-11-23 01:45:12,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:45:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 01:45:12,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 01:45:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 62 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 01:45:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2022-11-23 01:45:12,959 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 25 [2022-11-23 01:45:12,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:45:12,960 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2022-11-23 01:45:12,960 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) [2022-11-23 01:45:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2022-11-23 01:45:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-23 01:45:12,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:45:12,966 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] [2022-11-23 01:45:12,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:45:12,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:45:12,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:45:12,976 INFO L85 PathProgramCache]: Analyzing trace with hash -385739180, now seen corresponding path program 1 times [2022-11-23 01:45:12,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:45:12,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960721321] [2022-11-23 01:45:12,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:45:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:45:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 01:45:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:45:13,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:45:13,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960721321] [2022-11-23 01:45:13,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960721321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:45:13,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:45:13,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:45:13,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138288928] [2022-11-23 01:45:13,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:45:13,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:45:13,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:45:13,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:45:13,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:45:13,111 INFO L87 Difference]: Start difference. First operand 77 states and 97 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) [2022-11-23 01:45:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:45:13,129 INFO L93 Difference]: Finished difference Result 115 states and 143 transitions. [2022-11-23 01:45:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:45:13,130 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 [2022-11-23 01:45:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:45:13,132 INFO L225 Difference]: With dead ends: 115 [2022-11-23 01:45:13,132 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 01:45:13,133 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 [2022-11-23 01:45:13,135 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 146 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 [2022-11-23 01:45:13,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:45:13,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 01:45:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 01:45:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 01:45:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-11-23 01:45:13,147 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 26 [2022-11-23 01:45:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:45:13,148 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-11-23 01:45:13,148 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) [2022-11-23 01:45:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-11-23 01:45:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-23 01:45:13,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:45:13,150 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] [2022-11-23 01:45:13,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:45:13,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:45:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:45:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash 88146171, now seen corresponding path program 1 times [2022-11-23 01:45:13,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:45:13,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924835881] [2022-11-23 01:45:13,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:45:13,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:45:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 01:45:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:45:13,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:45:13,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924835881] [2022-11-23 01:45:13,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924835881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:45:13,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:45:13,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:45:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648746226] [2022-11-23 01:45:13,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:45:13,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:45:13,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:45:13,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:45:13,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:45:13,366 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2022-11-23 01:45:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:45:13,683 INFO L93 Difference]: Finished difference Result 248 states and 324 transitions. [2022-11-23 01:45:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:45:13,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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 [2022-11-23 01:45:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:45:13,687 INFO L225 Difference]: With dead ends: 248 [2022-11-23 01:45:13,687 INFO L226 Difference]: Without dead ends: 187 [2022-11-23 01:45:13,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:45:13,689 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 243 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:45:13,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 423 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 01:45:13,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-23 01:45:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 165. [2022-11-23 01:45:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 120 states have (on average 1.3416666666666666) internal successors, (161), 134 states have internal predecessors, (161), 25 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (26), 19 states have call predecessors, (26), 25 states have call successors, (26) [2022-11-23 01:45:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 212 transitions. [2022-11-23 01:45:13,750 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 212 transitions. Word has length 31 [2022-11-23 01:45:13,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:45:13,751 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 212 transitions. [2022-11-23 01:45:13,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2022-11-23 01:45:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 212 transitions. [2022-11-23 01:45:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 01:45:13,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:45:13,761 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] [2022-11-23 01:45:13,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:45:13,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:45:13,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:45:13,764 INFO L85 PathProgramCache]: Analyzing trace with hash -497555309, now seen corresponding path program 1 times [2022-11-23 01:45:13,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:45:13,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552720801] [2022-11-23 01:45:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:45:13,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:45:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-23 01:45:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:45:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:45:14,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:45:14,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552720801] [2022-11-23 01:45:14,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552720801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:45:14,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:45:14,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:45:14,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952838217] [2022-11-23 01:45:14,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:45:14,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:45:14,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:45:14,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:45:14,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:45:14,003 INFO L87 Difference]: Start difference. First operand 165 states and 212 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) [2022-11-23 01:45:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:45:14,128 INFO L93 Difference]: Finished difference Result 473 states and 627 transitions. [2022-11-23 01:45:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:45:14,129 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 [2022-11-23 01:45:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:45:14,132 INFO L225 Difference]: With dead ends: 473 [2022-11-23 01:45:14,132 INFO L226 Difference]: Without dead ends: 315 [2022-11-23 01:45:14,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:45:14,135 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 55 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:45:14,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 349 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:45:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-11-23 01:45:14,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2022-11-23 01:45:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 220 states have (on average 1.3181818181818181) internal successors, (290), 244 states have internal predecessors, (290), 50 states have call successors, (50), 38 states have call predecessors, (50), 35 states have return successors, (56), 35 states have call predecessors, (56), 50 states have call successors, (56) [2022-11-23 01:45:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 396 transitions. [2022-11-23 01:45:14,193 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 396 transitions. Word has length 34 [2022-11-23 01:45:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:45:14,194 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 396 transitions. [2022-11-23 01:45:14,194 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) [2022-11-23 01:45:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 396 transitions. [2022-11-23 01:45:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-23 01:45:14,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:45:14,197 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] [2022-11-23 01:45:14,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:45:14,197 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:45:14,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:45:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash 841670873, now seen corresponding path program 1 times [2022-11-23 01:45:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:45:14,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4605401] [2022-11-23 01:45:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:45:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:45:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:45:14,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:45:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:45:14,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:45:14,256 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 01:45:14,257 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 01:45:14,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:45:14,264 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 01:45:14,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:45:14,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:45:14 BoogieIcfgContainer [2022-11-23 01:45:14,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:45:14,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:45:14,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:45:14,348 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:45:14,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:12" (3/4) ... [2022-11-23 01:45:14,351 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 01:45:14,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:45:14,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:45:14,407 INFO L158 Benchmark]: Toolchain (without parser) took 3297.14ms. Allocated memory is still 146.8MB. Free memory was 106.5MB in the beginning and 61.2MB in the end (delta: 45.3MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2022-11-23 01:45:14,408 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:45:14,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.95ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 109.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 01:45:14,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.46ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:45:14,409 INFO L158 Benchmark]: Boogie Preprocessor took 64.91ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:45:14,409 INFO L158 Benchmark]: RCFGBuilder took 442.82ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 90.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 01:45:14,410 INFO L158 Benchmark]: TraceAbstraction took 2109.01ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 65.3MB in the end (delta: 24.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-23 01:45:14,410 INFO L158 Benchmark]: Witness Printer took 63.69ms. Allocated memory is still 146.8MB. Free memory was 65.3MB in the beginning and 61.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 01:45:14,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.95ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 109.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.46ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.91ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.82ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 90.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2109.01ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 65.3MB in the end (delta: 24.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 63.69ms. Allocated memory is still 146.8MB. Free memory was 65.3MB in the beginning and 61.9MB in the end (delta: 3.4MB). 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: [L59] int cleanupTimeShifts = 4; [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L541] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L543] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L549] tmp = __VERIFIER_nondet_int() [L551] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L553] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L834] COND TRUE waterLevel < 2 [L835] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L553] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L559] tmp___0 = __VERIFIER_nondet_int() [L561] 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] [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L577] tmp___1 = __VERIFIER_nondet_int() [L579] COND TRUE \read(tmp___1) [L581] CALL stopSystem() [L760] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L767] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L581] RET stopSystem() [L588] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L614] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L621] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L629] CALL __utac_acc__Specification3_spec__1() [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L903] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] 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] [L903] 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] [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L909] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] 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] [L909] RET, EXPR getWaterLevel() [L909] tmp___0 = getWaterLevel() [L911] COND TRUE tmp___0 == 2 [L913] CALL, EXPR isPumpRunning() [L712] int retValue_acc ; [L715] retValue_acc = pumpRunning [L716] 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] [L913] RET, EXPR isPumpRunning() [L913] tmp___1 = isPumpRunning() [L915] COND FALSE !(\read(tmp___1)) [L919] 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 1024 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 629 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 395 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 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! [2022-11-23 01:45:14,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8044d69d-61e4-4369-ad7e-61a976a6cb6c/bin/uautomizer-QkZJyEgLgS/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