./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/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 bde924d16b17f34a4892c0a089b602f0bd3cd51c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:27:01,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:27:01,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:27:01,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:27:01,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:27:01,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:27:01,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:27:01,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:27:01,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:27:01,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:27:01,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:27:01,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:27:01,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:27:01,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:27:01,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:27:01,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:27:01,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:27:01,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:27:01,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:27:01,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:27:01,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:27:01,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:27:01,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:27:01,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:27:01,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:27:01,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:27:01,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:27:01,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:27:01,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:27:01,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:27:01,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:27:01,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:27:01,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:27:01,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:27:01,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:27:01,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:27:01,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:27:01,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:27:01,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:27:01,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:27:01,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:27:01,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:27:01,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:27:01,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:27:01,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:27:01,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:27:01,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:27:01,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:27:01,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:27:01,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:27:01,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:27:01,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:27:01,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:27:01,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:27:01,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:27:01,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:27:01,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:27:01,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:27:01,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:27:01,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:27:01,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:27:01,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:27:01,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:27:01,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:27:01,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:27:01,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:27:01,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:27:01,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:27:01,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:27:01,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:27:01,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:27:01,613 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_eb267867-6435-44ec-84cc-b874f63ae8ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde924d16b17f34a4892c0a089b602f0bd3cd51c [2020-12-01 16:27:02,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:27:02,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:27:02,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:27:02,032 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:27:02,038 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:27:02,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2020-12-01 16:27:02,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/data/dbd3bdb52/7a0cdcb413e64d38b5424b12014761f8/FLAG95658e02b [2020-12-01 16:27:02,788 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:27:02,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2020-12-01 16:27:02,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/data/dbd3bdb52/7a0cdcb413e64d38b5424b12014761f8/FLAG95658e02b [2020-12-01 16:27:03,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/data/dbd3bdb52/7a0cdcb413e64d38b5424b12014761f8 [2020-12-01 16:27:03,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:27:03,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:27:03,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:03,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:27:03,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:27:03,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfb2ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03, skipping insertion in model container [2020-12-01 16:27:03,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:27:03,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:27:03,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:03,591 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:27:03,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:27:03,787 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:27:03,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03 WrapperNode [2020-12-01 16:27:03,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:27:03,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:03,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:27:03,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:27:03,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:27:03,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:27:03,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:27:03,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:27:03,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... [2020-12-01 16:27:03,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:27:03,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:27:03,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:27:03,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:27:03,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:27:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/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 [2020-12-01 16:27:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:27:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:27:04,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:27:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:27:04,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:27:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:27:04,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:27:04,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:27:04,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:27:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:27:04,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:27:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:27:04,084 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:27:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:27:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:27:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:27:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:27:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:27:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:27:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:27:05,577 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:27:05,577 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 16:27:05,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:05 BoogieIcfgContainer [2020-12-01 16:27:05,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:27:05,583 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:27:05,583 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:27:05,597 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:27:05,597 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:05" (1/1) ... [2020-12-01 16:27:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:27:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2020-12-01 16:27:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-12-01 16:27:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:27:05,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-12-01 16:27:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-12-01 16:27:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:27:05,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2020-12-01 16:27:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2020-12-01 16:27:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:27:06,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2020-12-01 16:27:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2020-12-01 16:27:06,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:27:06,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-12-01 16:27:06,659 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-12-01 16:27:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:27:06,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2020-12-01 16:27:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-01 16:27:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:27:06,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2020-12-01 16:27:07,236 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2020-12-01 16:27:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:27:07,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2020-12-01 16:27:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-12-01 16:27:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:27:08,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 106 states and 179 transitions. [2020-12-01 16:27:08,724 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2020-12-01 16:27:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:27:08,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2020-12-01 16:27:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2020-12-01 16:27:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:27:08,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 121 states and 220 transitions. [2020-12-01 16:27:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 220 transitions. [2020-12-01 16:27:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:27:10,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 122 states and 221 transitions. [2020-12-01 16:27:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2020-12-01 16:27:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:27:10,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2020-12-01 16:27:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2020-12-01 16:27:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:27:10,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 124 states and 223 transitions. [2020-12-01 16:27:10,527 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 223 transitions. [2020-12-01 16:27:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:27:10,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 135 states and 245 transitions. [2020-12-01 16:27:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2020-12-01 16:27:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:27:11,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 136 states and 246 transitions. [2020-12-01 16:27:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2020-12-01 16:27:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:27:11,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:11,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 137 states and 247 transitions. [2020-12-01 16:27:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2020-12-01 16:27:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:27:11,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 252 transitions. [2020-12-01 16:27:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2020-12-01 16:27:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:27:12,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 144 states and 262 transitions. [2020-12-01 16:27:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 262 transitions. [2020-12-01 16:27:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:27:12,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:13,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 146 states and 268 transitions. [2020-12-01 16:27:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 268 transitions. [2020-12-01 16:27:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:27:13,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 275 transitions. [2020-12-01 16:27:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2020-12-01 16:27:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:27:13,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 152 states and 281 transitions. [2020-12-01 16:27:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 281 transitions. [2020-12-01 16:27:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:27:14,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 158 states and 292 transitions. [2020-12-01 16:27:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 292 transitions. [2020-12-01 16:27:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:27:14,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 159 states and 293 transitions. [2020-12-01 16:27:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2020-12-01 16:27:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:27:14,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 159 states and 291 transitions. [2020-12-01 16:27:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-12-01 16:27:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:27:15,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:27:15,498 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:27:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:27:15,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:27:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:27:16,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:27:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:27:16,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:27:17,545 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2020-12-01 16:27:17,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:27:17 ImpRootNode [2020-12-01 16:27:17,728 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:27:17,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:27:17,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:27:17,729 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:27:17,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:27:05" (3/4) ... [2020-12-01 16:27:17,740 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:27:17,901 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eb267867-6435-44ec-84cc-b874f63ae8ab/bin/ukojak/witness.graphml [2020-12-01 16:27:17,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:27:17,904 INFO L168 Benchmark]: Toolchain (without parser) took 14807.36 ms. Allocated memory was 104.9 MB in the beginning and 182.5 MB in the end (delta: 77.6 MB). Free memory was 74.5 MB in the beginning and 71.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 79.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:17,904 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:17,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.25 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 70.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:17,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.43 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 67.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:17,907 INFO L168 Benchmark]: Boogie Preprocessor took 54.23 ms. Allocated memory is still 104.9 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:17,908 INFO L168 Benchmark]: RCFGBuilder took 1618.91 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 65.4 MB in the beginning and 64.8 MB in the end (delta: 541.3 kB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:17,908 INFO L168 Benchmark]: CodeCheck took 12145.40 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 64.8 MB in the beginning and 84.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:17,912 INFO L168 Benchmark]: Witness Printer took 172.72 ms. Allocated memory is still 182.5 MB. Free memory was 84.4 MB in the beginning and 71.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:17,915 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.9s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 369653812 SDtfs, 91583156 SDslu, 165875516 SDs, 0 SdLazy, 135588946 SolverSat, 43732646 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6092 GetRequests, 5929 SyntacticMatches, 27 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7328 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 668 NumberOfCodeBlocks, 668 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 41619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 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: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L160] int pumpRunning = 0; [L161] int systemActive = 1; [L460] int cleanupTimeShifts = 4; [L754] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L536] int retValue_acc ; [L537] int tmp ; [L977] int retValue_acc ; [L980] retValue_acc = 1 [L981] return (retValue_acc); [L543] tmp = valid_product() [L545] COND TRUE \read(tmp) [L392] int splverifierCounter ; [L393] int tmp ; [L394] int tmp___0 ; [L395] int tmp___1 ; [L396] int tmp___2 ; [L399] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L403] COND TRUE splverifierCounter < 4 [L409] tmp = __VERIFIER_nondet_int() [L411] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 [L413] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L419] tmp___0 = __VERIFIER_nondet_int() [L421] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L80] COND FALSE !(\read(methaneLevelCritical)) [L83] methaneLevelCritical = 1 [L423] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L429] tmp___2 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___2) [L376] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L448] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L175] COND TRUE \read(systemActive) [L223] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L226] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L241] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L197] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] COND TRUE ! pumpRunning [L320] int retValue_acc ; [L321] int tmp ; [L322] int tmp___0 ; [L130] int retValue_acc ; [L133] COND FALSE !(waterLevel < 2) [L137] retValue_acc = 0 [L138] return (retValue_acc); [L326] tmp = isHighWaterSensorDry() [L328] COND FALSE !(\read(tmp)) [L331] tmp___0 = 1 [L333] retValue_acc = tmp___0 [L334] return (retValue_acc); [L202] tmp = isHighWaterLevel() [L204] COND TRUE \read(tmp) [L251] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L241] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); [L565] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] tmp = isMethaneLevelCritical() [L567] COND TRUE \read(tmp) [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L569] tmp___0 = isPumpRunning() [L571] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product52.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 686.25 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 70.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.43 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 67.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.23 ms. Allocated memory is still 104.9 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1618.91 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 65.4 MB in the beginning and 64.8 MB in the end (delta: 541.3 kB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * CodeCheck took 12145.40 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 64.8 MB in the beginning and 84.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Witness Printer took 172.72 ms. Allocated memory is still 182.5 MB. Free memory was 84.4 MB in the beginning and 71.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...