./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae87ed11769153d118b606184b0208d26c3c2750 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:37:53,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:37:53,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:37:53,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:37:53,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:37:53,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:37:53,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:37:53,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:37:53,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:37:53,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:37:53,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:37:53,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:37:53,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:37:53,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:37:53,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:37:53,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:37:53,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:37:53,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:37:53,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:37:53,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:37:53,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:37:53,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:37:53,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:37:53,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:37:53,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:37:53,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:37:53,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:37:53,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:37:53,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:37:53,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:37:53,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:37:53,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:37:53,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:37:53,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:37:53,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:37:53,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:37:53,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:37:53,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:37:53,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:37:53,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:37:53,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:37:53,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:37:53,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:37:53,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:37:53,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:37:53,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:37:53,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:37:53,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:37:53,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:37:53,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:37:53,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:37:53,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:37:53,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:37:53,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:37:53,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:37:53,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:37:53,557 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:37:53,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:37:53,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:37:53,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:37:53,558 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:37:53,559 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:37:53,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:37:53,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:37:53,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:37:53,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:37:53,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:37:53,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:37:53,561 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:37:53,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:37:53,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:37:53,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae87ed11769153d118b606184b0208d26c3c2750 [2020-11-29 23:37:53,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:37:53,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:37:53,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:37:53,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:37:53,912 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:37:53,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2020-11-29 23:37:53,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/data/1312b72e5/64ad8e76b7094869b99d0449fa20543e/FLAG284556dba [2020-11-29 23:37:54,609 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:37:54,610 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2020-11-29 23:37:54,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/data/1312b72e5/64ad8e76b7094869b99d0449fa20543e/FLAG284556dba [2020-11-29 23:37:54,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/data/1312b72e5/64ad8e76b7094869b99d0449fa20543e [2020-11-29 23:37:54,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:37:54,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:37:54,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:37:54,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:37:54,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:37:54,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:37:54" (1/1) ... [2020-11-29 23:37:54,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391b822e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:54, skipping insertion in model container [2020-11-29 23:37:54,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:37:54" (1/1) ... [2020-11-29 23:37:54,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:37:55,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:37:55,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:37:55,428 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:37:55,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:37:55,641 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:37:55,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55 WrapperNode [2020-11-29 23:37:55,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:37:55,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:37:55,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:37:55,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:37:55,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:37:55,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:37:55,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:37:55,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:37:55,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... [2020-11-29 23:37:55,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:37:55,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:37:55,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:37:55,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:37:55,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:37:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:37:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:37:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 23:37:55,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 23:37:55,919 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 23:37:55,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 23:37:55,919 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 23:37:55,921 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 23:37:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 23:37:55,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 23:37:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 23:37:55,924 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 23:37:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:37:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 23:37:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 23:37:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:37:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:37:57,781 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:37:57,781 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-29 23:37:57,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:37:57 BoogieIcfgContainer [2020-11-29 23:37:57,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:37:57,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:37:57,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:37:57,800 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:37:57,800 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:37:57" (1/1) ... [2020-11-29 23:37:57,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:37:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:37:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-29 23:37:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-29 23:37:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:37:57,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:37:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:37:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:37:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:37:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-29 23:37:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-29 23:37:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:37:58,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:37:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:37:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:37:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:37:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-29 23:37:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-29 23:37:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:37:58,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:37:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:37:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:37:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:37:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-11-29 23:37:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-11-29 23:37:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:37:59,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:37:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:37:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:00,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-11-29 23:38:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-11-29 23:38:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:38:00,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:00,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2020-11-29 23:38:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-11-29 23:38:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:38:00,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2020-11-29 23:38:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2020-11-29 23:38:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:38:02,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 145 transitions. [2020-11-29 23:38:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2020-11-29 23:38:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:38:02,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 152 transitions. [2020-11-29 23:38:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 152 transitions. [2020-11-29 23:38:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 23:38:03,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:38:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 92 states and 151 transitions. [2020-11-29 23:38:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2020-11-29 23:38:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:38:03,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 93 states and 152 transitions. [2020-11-29 23:38:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2020-11-29 23:38:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 23:38:03,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 94 states and 153 transitions. [2020-11-29 23:38:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2020-11-29 23:38:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 23:38:03,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:38:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 164 transitions. [2020-11-29 23:38:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2020-11-29 23:38:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 23:38:04,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:38:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 165 transitions. [2020-11-29 23:38:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2020-11-29 23:38:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 23:38:04,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:38:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 172 transitions. [2020-11-29 23:38:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-11-29 23:38:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 23:38:04,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:38:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 212 transitions. [2020-11-29 23:38:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 212 transitions. [2020-11-29 23:38:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 23:38:07,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:38:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 121 states and 220 transitions. [2020-11-29 23:38:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 220 transitions. [2020-11-29 23:38:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:38:07,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 23:38:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 123 states and 222 transitions. [2020-11-29 23:38:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2020-11-29 23:38:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 23:38:07,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:38:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 133 states and 252 transitions. [2020-11-29 23:38:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 252 transitions. [2020-11-29 23:38:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:38:11,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:38:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 146 states and 290 transitions. [2020-11-29 23:38:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 290 transitions. [2020-11-29 23:38:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 23:38:14,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:38:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 150 states and 307 transitions. [2020-11-29 23:38:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 307 transitions. [2020-11-29 23:38:16,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 23:38:16,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:38:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 152 states and 311 transitions. [2020-11-29 23:38:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 311 transitions. [2020-11-29 23:38:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 23:38:17,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:38:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 153 states and 312 transitions. [2020-11-29 23:38:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 312 transitions. [2020-11-29 23:38:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 23:38:18,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:38:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 154 states and 313 transitions. [2020-11-29 23:38:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 313 transitions. [2020-11-29 23:38:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:38:18,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:38:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 164 states and 325 transitions. [2020-11-29 23:38:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 325 transitions. [2020-11-29 23:38:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 23:38:21,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:38:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 311 transitions. [2020-11-29 23:38:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 311 transitions. [2020-11-29 23:38:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:38:23,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:38:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 170 states and 322 transitions. [2020-11-29 23:38:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 322 transitions. [2020-11-29 23:38:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 23:38:24,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:38:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 180 states and 343 transitions. [2020-11-29 23:38:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 343 transitions. [2020-11-29 23:38:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 23:38:28,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 23:38:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 183 states and 348 transitions. [2020-11-29 23:38:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 348 transitions. [2020-11-29 23:38:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 23:38:28,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:38:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 200 states and 387 transitions. [2020-11-29 23:38:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 387 transitions. [2020-11-29 23:38:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 23:38:36,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:38:37,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:38:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:38:37,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:38:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:38:37,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:38:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:38:37,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:38:37,816 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations. [2020-11-29 23:38:38,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:38:38 ImpRootNode [2020-11-29 23:38:38,082 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:38:38,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:38:38,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:38:38,083 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:38:38,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:37:57" (3/4) ... [2020-11-29 23:38:38,094 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 23:38:38,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2a269ad-3846-4327-ad76-1c856060298c/bin/ukojak/witness.graphml [2020-11-29 23:38:38,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:38:38,331 INFO L168 Benchmark]: Toolchain (without parser) took 43391.16 ms. Allocated memory was 109.1 MB in the beginning and 497.0 MB in the end (delta: 388.0 MB). Free memory was 78.3 MB in the beginning and 407.3 MB in the end (delta: -329.0 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,337 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 75.5 MB. Free memory was 38.3 MB in the beginning and 38.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:38:38,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.16 ms. Allocated memory is still 109.1 MB. Free memory was 78.0 MB in the beginning and 76.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.00 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 73.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,339 INFO L168 Benchmark]: Boogie Preprocessor took 69.96 ms. Allocated memory is still 109.1 MB. Free memory was 73.8 MB in the beginning and 72.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,340 INFO L168 Benchmark]: RCFGBuilder took 1947.68 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 45.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,340 INFO L168 Benchmark]: CodeCheck took 40296.91 ms. Allocated memory was 109.1 MB in the beginning and 497.0 MB in the end (delta: 388.0 MB). Free memory was 45.1 MB in the beginning and 426.2 MB in the end (delta: -381.2 MB). Peak memory consumption was 265.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,342 INFO L168 Benchmark]: Witness Printer took 242.98 ms. Allocated memory is still 497.0 MB. Free memory was 426.2 MB in the beginning and 407.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:38:38,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.9s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 906030068 SDtfs, 695405234 SDslu, 15395656 SDs, 0 SdLazy, 823373006 SolverSat, -1261052064 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11545 GetRequests, 11019 SyntacticMatches, 158 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68959 ImplicationChecksByTransitivity, 32.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 995 ConstructedInterpolants, 0 QuantifiedInterpolants, 125078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 19 PerfectInterpolantSequences, 218/297 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L149] int pumpRunning = 0; [L150] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L929] int retValue_acc ; [L932] retValue_acc = 1 [L933] return (retValue_acc); [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L337] int splverifierCounter ; [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; [L341] int tmp___2 ; [L344] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L358] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND FALSE !(\read(tmp___2)) [L380] tmp___1 = __VERIFIER_nondet_int() [L382] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] COND TRUE ! pumpRunning [L301] int retValue_acc ; [L302] int tmp ; [L303] int tmp___0 ; [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L307] tmp = isHighWaterSensorDry() [L309] COND FALSE !(\read(tmp)) [L312] tmp___0 = 1 [L314] retValue_acc = tmp___0 [L315] return (retValue_acc); [L191] tmp = isHighWaterLevel() [L193] COND TRUE \read(tmp) [L220] int tmp ; [L245] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L249] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] retValue_acc = isMethaneLevelCritical() [L251] return (retValue_acc); [L224] tmp = isMethaneAlarm() [L226] COND FALSE !(\read(tmp)) [L214] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L413] int tmp ; [L414] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L418] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L418] tmp = isMethaneLevelCritical() [L420] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L391] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L368] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L368] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L189] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L204] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L413] int tmp ; [L414] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L418] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L418] tmp = isMethaneLevelCritical() [L420] COND TRUE \read(tmp) [L256] int retValue_acc ; [L259] retValue_acc = pumpRunning [L260] return (retValue_acc); [L422] tmp___0 = isPumpRunning() [L424] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec1_product43.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 75.5 MB. Free memory was 38.3 MB in the beginning and 38.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.16 ms. Allocated memory is still 109.1 MB. Free memory was 78.0 MB in the beginning and 76.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.00 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 73.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.96 ms. Allocated memory is still 109.1 MB. Free memory was 73.8 MB in the beginning and 72.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1947.68 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 45.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * CodeCheck took 40296.91 ms. Allocated memory was 109.1 MB in the beginning and 497.0 MB in the end (delta: 388.0 MB). Free memory was 45.1 MB in the beginning and 426.2 MB in the end (delta: -381.2 MB). Peak memory consumption was 265.5 MB. Max. memory is 16.1 GB. * Witness Printer took 242.98 ms. Allocated memory is still 497.0 MB. Free memory was 426.2 MB in the beginning and 407.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...