./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product55.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_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/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 dbf7149ba5f2c2b45723d578c2ed612c4c7ff3d9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:56:51,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:56:51,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:56:51,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:56:51,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:56:51,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:56:51,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:56:51,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:56:51,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:56:51,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:56:51,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:56:51,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:56:51,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:56:51,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:56:51,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:56:51,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:56:51,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:56:51,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:56:51,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:56:51,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:56:51,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:56:51,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:56:51,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:56:51,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:56:51,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:56:51,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:56:51,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:56:51,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:56:51,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:56:51,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:56:51,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:56:51,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:56:51,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:56:51,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:56:51,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:56:51,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:56:51,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:56:51,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:56:51,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:56:51,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:56:51,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:56:51,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:56:51,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:56:51,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:56:51,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:56:51,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:56:51,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:56:51,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:56:51,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:56:51,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:56:51,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:56:51,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:56:51,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:56:51,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:56:51,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:56:51,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:56:51,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:56:51,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:56:51,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:56:51,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:56:51,640 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:56:51,640 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:56:51,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:56:51,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:56:51,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:56:51,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:56:51,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:56:51,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:56:51,642 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:56:51,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:56:51,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:56:51,644 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_dac907e9-cd12-43d3-a79b-e868148081e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf7149ba5f2c2b45723d578c2ed612c4c7ff3d9 [2020-11-29 18:56:51,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:56:51,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:56:51,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:56:51,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:56:51,960 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:56:51,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2020-11-29 18:56:52,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/data/b1753cb40/8b77cbfc8c3f448ca3bfe250cb87f24d/FLAGdb8795032 [2020-11-29 18:56:52,698 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:56:52,699 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2020-11-29 18:56:52,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/data/b1753cb40/8b77cbfc8c3f448ca3bfe250cb87f24d/FLAGdb8795032 [2020-11-29 18:56:53,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/data/b1753cb40/8b77cbfc8c3f448ca3bfe250cb87f24d [2020-11-29 18:56:53,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:56:53,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:56:53,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:56:53,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:56:53,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:56:53,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aefa5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53, skipping insertion in model container [2020-11-29 18:56:53,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:56:53,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:56:53,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:56:53,580 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:56:53,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:56:53,740 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:56:53,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53 WrapperNode [2020-11-29 18:56:53,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:56:53,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:56:53,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:56:53,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:56:53,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:56:53,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:56:53,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:56:53,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:56:53,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... [2020-11-29 18:56:53,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:56:53,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:56:53,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:56:53,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:56:53,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/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 18:56:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:56:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 18:56:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 18:56:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 18:56:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 18:56:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 18:56:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 18:56:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 18:56:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 18:56:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-29 18:56:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-29 18:56:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 18:56:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 18:56:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 18:56:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 18:56:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 18:56:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 18:56:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:56:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 18:56:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 18:56:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:56:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:56:55,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:56:55,745 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-29 18:56:55,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:55 BoogieIcfgContainer [2020-11-29 18:56:55,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:56:55,749 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:56:55,749 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:56:55,759 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:56:55,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:55" (1/1) ... [2020-11-29 18:56:55,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:56:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2020-11-29 18:56:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2020-11-29 18:56:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:56:55,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,122 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 18:56:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2020-11-29 18:56:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2020-11-29 18:56:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:56:56,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,275 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 18:56:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2020-11-29 18:56:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2020-11-29 18:56:56,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:56:56,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,410 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 18:56:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2020-11-29 18:56:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2020-11-29 18:56:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:56:56,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,741 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 18:56:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2020-11-29 18:56:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2020-11-29 18:56:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:56:56,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,851 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 18:56:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2020-11-29 18:56:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2020-11-29 18:56:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:56:56,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:56,905 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 18:56:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2020-11-29 18:56:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2020-11-29 18:56:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:56:56,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:57,037 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 18:56:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2020-11-29 18:56:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2020-11-29 18:56:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:56:57,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:57,702 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 18:56:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 104 states and 161 transitions. [2020-11-29 18:56:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 161 transitions. [2020-11-29 18:56:57,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:56:57,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:57,825 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 18:56:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 189 transitions. [2020-11-29 18:56:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2020-11-29 18:56:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:56:58,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:58,576 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 18:56:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 117 states and 191 transitions. [2020-11-29 18:56:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 191 transitions. [2020-11-29 18:56:58,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:56:58,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:58,814 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 18:56:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:56:59,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2020-11-29 18:56:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2020-11-29 18:56:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:56:59,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:56:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:56:59,815 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 18:57:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2020-11-29 18:57:00,133 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2020-11-29 18:57:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:57:00,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:00,190 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 18:57:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2020-11-29 18:57:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2020-11-29 18:57:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:57:00,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:00,427 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 18:57:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 233 transitions. [2020-11-29 18:57:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2020-11-29 18:57:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:57:00,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:00,664 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 18:57:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 142 states and 241 transitions. [2020-11-29 18:57:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2020-11-29 18:57:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:57:00,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:01,146 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 18:57:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 159 states and 286 transitions. [2020-11-29 18:57:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 286 transitions. [2020-11-29 18:57:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 18:57:03,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:03,699 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 18:57:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 162 states and 294 transitions. [2020-11-29 18:57:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 294 transitions. [2020-11-29 18:57:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 18:57:04,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:57:04,326 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 18:57:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:57:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 163 states and 295 transitions. [2020-11-29 18:57:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 295 transitions. [2020-11-29 18:57:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 18:57:05,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:57:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:57:05,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:57:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:57:05,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:57:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:57:05,478 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:57:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:57:05,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:57:05,765 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2020-11-29 18:57:05,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:57:05 ImpRootNode [2020-11-29 18:57:05,973 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:57:05,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:57:05,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:57:05,974 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:57:05,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:55" (3/4) ... [2020-11-29 18:57:05,976 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:57:06,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dac907e9-cd12-43d3-a79b-e868148081e5/bin/ukojak/witness.graphml [2020-11-29 18:57:06,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:57:06,116 INFO L168 Benchmark]: Toolchain (without parser) took 13091.16 ms. Allocated memory was 98.6 MB in the beginning and 209.7 MB in the end (delta: 111.1 MB). Free memory was 66.5 MB in the beginning and 87.1 MB in the end (delta: -20.7 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,117 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 75.5 MB. Free memory was 33.8 MB in the beginning and 33.7 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:57:06,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.98 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 65.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.94 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 62.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,118 INFO L168 Benchmark]: Boogie Preprocessor took 54.39 ms. Allocated memory is still 98.6 MB. Free memory was 62.5 MB in the beginning and 60.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,119 INFO L168 Benchmark]: RCFGBuilder took 1839.80 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 60.4 MB in the beginning and 92.4 MB in the end (delta: -32.0 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,119 INFO L168 Benchmark]: CodeCheck took 10223.91 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 92.4 MB in the beginning and 101.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,120 INFO L168 Benchmark]: Witness Printer took 141.42 ms. Allocated memory is still 209.7 MB. Free memory was 101.8 MB in the beginning and 87.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:06,122 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 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.9s, OverallIterations: 19, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5989392 SDtfs, 1902328 SDslu, 2991908 SDs, 0 SdLazy, 2082520 SolverSat, 651232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4466 GetRequests, 4294 SyntacticMatches, 56 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9435 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 31272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 4/4 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: [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L401] int waterLevel = 1; [L402] int methaneLevelCritical = 0; [L513] int cleanupTimeShifts = 4; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L586] int retValue_acc ; [L587] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L593] tmp = valid_product() [L595] COND TRUE \read(tmp) [L86] int splverifierCounter ; [L87] int tmp ; [L88] int tmp___0 ; [L89] int tmp___1 ; [L90] int tmp___2 ; [L93] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L95] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L97] COND TRUE splverifierCounter < 4 [L103] tmp = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L107] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L419] COND TRUE waterLevel < 2 [L420] waterLevel = waterLevel + 1 [L107] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] tmp___0 = __VERIFIER_nondet_int() [L115] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L431] COND FALSE !(\read(methaneLevelCritical)) [L434] methaneLevelCritical = 1 [L117] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L123] tmp___2 = __VERIFIER_nondet_int() [L125] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L140] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L169] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L176] COND TRUE \read(systemActive) [L250] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L253] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L268] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L224] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L227] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L242] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L198] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L201] COND TRUE ! pumpRunning [L347] int retValue_acc ; [L348] int tmp ; [L349] int tmp___0 ; [L481] int retValue_acc ; [L484] COND FALSE !(waterLevel < 2) [L488] retValue_acc = 0 [L489] return (retValue_acc); [L353] tmp = isHighWaterSensorDry() [L355] COND FALSE !(\read(tmp)) [L358] tmp___0 = 1 [L360] retValue_acc = tmp___0 [L361] return (retValue_acc); [L203] tmp = isHighWaterLevel() [L205] COND TRUE \read(tmp) [L278] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L242] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L268] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L610] int tmp ; [L611] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L615] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L440] int retValue_acc ; [L443] retValue_acc = methaneLevelCritical [L444] return (retValue_acc); [L615] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L615] tmp = isMethaneLevelCritical() [L617] COND TRUE \read(tmp) [L302] int retValue_acc ; [L305] retValue_acc = pumpRunning [L306] return (retValue_acc); [L619] tmp___0 = isPumpRunning() [L621] 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_product55.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 0.63 ms. Allocated memory is still 75.5 MB. Free memory was 33.8 MB in the beginning and 33.7 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 714.98 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 65.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.94 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 62.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.39 ms. Allocated memory is still 98.6 MB. Free memory was 62.5 MB in the beginning and 60.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1839.80 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 60.4 MB in the beginning and 92.4 MB in the end (delta: -32.0 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * CodeCheck took 10223.91 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 92.4 MB in the beginning and 101.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. * Witness Printer took 141.42 ms. Allocated memory is still 209.7 MB. Free memory was 101.8 MB in the beginning and 87.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...