./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.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_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/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 c21e70d9ea27340857124f83eb5ec77ba8828195 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:06:07,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:06:07,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:06:07,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:06:07,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:06:07,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:06:07,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:06:07,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:06:07,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:06:07,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:06:07,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:06:07,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:06:07,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:06:07,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:06:07,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:06:07,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:06:07,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:06:07,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:06:07,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:06:07,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:06:07,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:06:07,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:06:07,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:06:07,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:06:07,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:06:07,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:06:07,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:06:07,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:06:07,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:06:07,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:06:07,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:06:07,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:06:07,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:06:07,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:06:07,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:06:07,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:06:07,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:06:07,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:06:07,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:06:07,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:06:07,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:06:07,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:06:07,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:06:07,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:06:07,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:06:07,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:06:07,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:06:07,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:06:07,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:06:07,699 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:06:07,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:06:07,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:06:07,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:06:07,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:06:07,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:06:07,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:06:07,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:06:07,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:06:07,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:06:07,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:06:07,703 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:06:07,703 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:06:07,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:06:07,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:06:07,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:06:07,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:06:07,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:06:07,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:06:07,705 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:06:07,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:06:07,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:06:07,708 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_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c21e70d9ea27340857124f83eb5ec77ba8828195 [2020-12-01 18:06:08,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:06:08,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:06:08,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:06:08,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:06:08,097 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:06:08,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-12-01 18:06:08,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/data/1264edfcc/6d93b64cc9764badb244dc80515d7fed/FLAGc84c59c10 [2020-12-01 18:06:08,965 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:06:08,966 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-12-01 18:06:08,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/data/1264edfcc/6d93b64cc9764badb244dc80515d7fed/FLAGc84c59c10 [2020-12-01 18:06:09,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/data/1264edfcc/6d93b64cc9764badb244dc80515d7fed [2020-12-01 18:06:09,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:06:09,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:06:09,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:09,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:06:09,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:06:09,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485a56c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09, skipping insertion in model container [2020-12-01 18:06:09,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:06:09,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:06:09,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:09,673 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:06:09,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:09,823 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:06:09,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09 WrapperNode [2020-12-01 18:06:09,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:09,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:09,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:06:09,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:06:09,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:09,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:06:09,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:06:09,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:06:09,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... [2020-12-01 18:06:09,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:06:09,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:06:09,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:06:09,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:06:09,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/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 18:06:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:06:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:06:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:06:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:06:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:06:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:06:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:06:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:06:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:06:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:06:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:06:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:06:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:06:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 18:06:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 18:06:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:06:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:06:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:06:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:06:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:06:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:06:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:06:12,058 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:06:12,058 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 18:06:12,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:12 BoogieIcfgContainer [2020-12-01 18:06:12,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:06:12,065 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:06:12,065 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:06:12,081 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:06:12,082 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:12" (1/1) ... [2020-12-01 18:06:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:06:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2020-12-01 18:06:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2020-12-01 18:06:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:06:12,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:12,553 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 18:06:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 69 states and 90 transitions. [2020-12-01 18:06:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2020-12-01 18:06:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:06:12,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:12,765 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 18:06:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:12,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2020-12-01 18:06:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-12-01 18:06:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:06:12,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:12,937 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 18:06:12,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2020-12-01 18:06:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2020-12-01 18:06:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:06:12,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:13,025 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 18:06:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2020-12-01 18:06:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-12-01 18:06:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:06:13,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:13,454 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 18:06:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2020-12-01 18:06:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2020-12-01 18:06:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:06:13,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:13,554 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 18:06:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:13,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 84 states and 117 transitions. [2020-12-01 18:06:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 117 transitions. [2020-12-01 18:06:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:06:13,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:13,692 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 18:06:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2020-12-01 18:06:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2020-12-01 18:06:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:14,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:14,369 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 18:06:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 155 transitions. [2020-12-01 18:06:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2020-12-01 18:06:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:14,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:14,477 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 18:06:15,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 195 transitions. [2020-12-01 18:06:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2020-12-01 18:06:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:06:15,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:16,077 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 18:06:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2020-12-01 18:06:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2020-12-01 18:06:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:06:16,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:16,433 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 18:06:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 127 states and 209 transitions. [2020-12-01 18:06:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 209 transitions. [2020-12-01 18:06:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:16,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:16,682 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 18:06:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 131 states and 215 transitions. [2020-12-01 18:06:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 215 transitions. [2020-12-01 18:06:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:06:16,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:16,927 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 18:06:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2020-12-01 18:06:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2020-12-01 18:06:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:06:16,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:17,125 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 18:06:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 233 transitions. [2020-12-01 18:06:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2020-12-01 18:06:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:06:17,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:17,426 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 18:06:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 143 states and 242 transitions. [2020-12-01 18:06:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2020-12-01 18:06:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:06:17,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:17,561 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 18:06:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 145 states and 246 transitions. [2020-12-01 18:06:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 246 transitions. [2020-12-01 18:06:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:06:17,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:06:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 158 states and 278 transitions. [2020-12-01 18:06:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2020-12-01 18:06:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:06:20,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:06:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 159 states and 279 transitions. [2020-12-01 18:06:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 279 transitions. [2020-12-01 18:06:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:06:20,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:06:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 165 states and 293 transitions. [2020-12-01 18:06:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 293 transitions. [2020-12-01 18:06:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:06:24,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 174 states and 313 transitions. [2020-12-01 18:06:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2020-12-01 18:06:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:06:25,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 175 states and 316 transitions. [2020-12-01 18:06:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 316 transitions. [2020-12-01 18:06:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:06:25,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 177 states and 319 transitions. [2020-12-01 18:06:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 319 transitions. [2020-12-01 18:06:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:06:25,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:06:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 180 states and 326 transitions. [2020-12-01 18:06:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 326 transitions. [2020-12-01 18:06:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:06:27,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 187 states and 342 transitions. [2020-12-01 18:06:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 342 transitions. [2020-12-01 18:06:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:28,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 191 states and 352 transitions. [2020-12-01 18:06:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 352 transitions. [2020-12-01 18:06:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:06:28,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 199 states and 365 transitions. [2020-12-01 18:06:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 365 transitions. [2020-12-01 18:06:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:29,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 367 transitions. [2020-12-01 18:06:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 367 transitions. [2020-12-01 18:06:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:06:29,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 201 states and 369 transitions. [2020-12-01 18:06:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 369 transitions. [2020-12-01 18:06:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:06:29,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 202 states and 371 transitions. [2020-12-01 18:06:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 371 transitions. [2020-12-01 18:06:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:29,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 203 states and 372 transitions. [2020-12-01 18:06:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 372 transitions. [2020-12-01 18:06:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 18:06:29,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 204 states and 375 transitions. [2020-12-01 18:06:30,043 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 375 transitions. [2020-12-01 18:06:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:30,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 221 states and 418 transitions. [2020-12-01 18:06:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 418 transitions. [2020-12-01 18:06:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:06:33,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 233 states and 452 transitions. [2020-12-01 18:06:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 452 transitions. [2020-12-01 18:06:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:06:35,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 234 states and 453 transitions. [2020-12-01 18:06:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 453 transitions. [2020-12-01 18:06:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:06:35,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 237 states and 457 transitions. [2020-12-01 18:06:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 457 transitions. [2020-12-01 18:06:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:06:35,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 238 states and 458 transitions. [2020-12-01 18:06:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 458 transitions. [2020-12-01 18:06:36,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:06:36,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 240 states and 462 transitions. [2020-12-01 18:06:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 462 transitions. [2020-12-01 18:06:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:06:37,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 247 states and 471 transitions. [2020-12-01 18:06:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 471 transitions. [2020-12-01 18:06:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:06:38,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:06:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 255 states and 487 transitions. [2020-12-01 18:06:39,267 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 487 transitions. [2020-12-01 18:06:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:06:39,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:06:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 256 states and 488 transitions. [2020-12-01 18:06:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 488 transitions. [2020-12-01 18:06:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:06:39,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 257 states and 489 transitions. [2020-12-01 18:06:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 489 transitions. [2020-12-01 18:06:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:06:39,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:06:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 258 states and 492 transitions. [2020-12-01 18:06:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 492 transitions. [2020-12-01 18:06:40,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:06:40,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:06:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 264 states and 501 transitions. [2020-12-01 18:06:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 501 transitions. [2020-12-01 18:06:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:06:40,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:06:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 265 states and 502 transitions. [2020-12-01 18:06:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 502 transitions. [2020-12-01 18:06:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:06:40,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 270 states and 511 transitions. [2020-12-01 18:06:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 511 transitions. [2020-12-01 18:06:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:06:40,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 272 states and 513 transitions. [2020-12-01 18:06:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 513 transitions. [2020-12-01 18:06:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:06:41,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 272 states and 510 transitions. [2020-12-01 18:06:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 510 transitions. [2020-12-01 18:06:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:06:42,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:06:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 283 states and 541 transitions. [2020-12-01 18:06:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 541 transitions. [2020-12-01 18:06:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:06:46,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:06:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 284 states and 542 transitions. [2020-12-01 18:06:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 542 transitions. [2020-12-01 18:06:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:06:46,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 18:06:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 285 states and 543 transitions. [2020-12-01 18:06:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 543 transitions. [2020-12-01 18:06:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:06:46,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:06:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 283 states and 538 transitions. [2020-12-01 18:06:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 538 transitions. [2020-12-01 18:06:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:06:47,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:06:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 284 states and 541 transitions. [2020-12-01 18:06:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 541 transitions. [2020-12-01 18:06:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:06:47,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:06:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 287 states and 547 transitions. [2020-12-01 18:06:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 547 transitions. [2020-12-01 18:06:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:06:48,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:06:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 290 states and 551 transitions. [2020-12-01 18:06:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 551 transitions. [2020-12-01 18:06:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:06:48,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:06:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 307 states and 595 transitions. [2020-12-01 18:06:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 595 transitions. [2020-12-01 18:06:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 18:06:53,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 317 states and 617 transitions. [2020-12-01 18:06:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 617 transitions. [2020-12-01 18:06:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 18:06:56,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:06:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 318 states and 618 transitions. [2020-12-01 18:06:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 618 transitions. [2020-12-01 18:06:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:06:56,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:06:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 319 states and 619 transitions. [2020-12-01 18:06:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 619 transitions. [2020-12-01 18:06:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 18:06:56,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:06:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 320 states and 619 transitions. [2020-12-01 18:06:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 619 transitions. [2020-12-01 18:06:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:06:56,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 18:06:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 323 states and 626 transitions. [2020-12-01 18:06:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 626 transitions. [2020-12-01 18:06:56,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:06:56,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 18:06:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 325 states and 628 transitions. [2020-12-01 18:06:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 628 transitions. [2020-12-01 18:06:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 18:06:56,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 18:06:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 326 states and 629 transitions. [2020-12-01 18:06:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 629 transitions. [2020-12-01 18:06:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 18:06:56,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 18:06:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 327 states and 630 transitions. [2020-12-01 18:06:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 630 transitions. [2020-12-01 18:06:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 18:06:56,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 18:06:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 328 states and 631 transitions. [2020-12-01 18:06:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 631 transitions. [2020-12-01 18:06:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 18:06:57,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 18:06:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 336 states and 643 transitions. [2020-12-01 18:06:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 643 transitions. [2020-12-01 18:06:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 18:06:57,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:07:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 342 states and 651 transitions. [2020-12-01 18:07:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 651 transitions. [2020-12-01 18:07:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 18:07:00,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 18:07:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 350 states and 666 transitions. [2020-12-01 18:07:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 666 transitions. [2020-12-01 18:07:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 18:07:01,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 18:07:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 351 states and 667 transitions. [2020-12-01 18:07:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 667 transitions. [2020-12-01 18:07:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 18:07:01,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 18:07:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 357 states and 679 transitions. [2020-12-01 18:07:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 679 transitions. [2020-12-01 18:07:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 18:07:02,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 18:07:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 357 states and 672 transitions. [2020-12-01 18:07:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 672 transitions. [2020-12-01 18:07:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 18:07:04,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 18:07:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 358 states and 674 transitions. [2020-12-01 18:07:04,453 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 674 transitions. [2020-12-01 18:07:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 18:07:04,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 18:07:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 359 states and 676 transitions. [2020-12-01 18:07:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 676 transitions. [2020-12-01 18:07:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 18:07:04,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 18:07:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 359 states and 670 transitions. [2020-12-01 18:07:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 670 transitions. [2020-12-01 18:07:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 18:07:06,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 18:07:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 204 states and 307 transitions. [2020-12-01 18:07:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 307 transitions. [2020-12-01 18:07:07,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:07:07,683 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 75 iterations. [2020-12-01 18:07:07,688 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:07:08,031 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-12-01 18:07:08,594 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,599 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,599 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:07:08,611 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,611 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,612 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,613 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 18:07:08,614 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2020-12-01 18:07:08,617 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:07:08,626 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 18:07:08,626 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,626 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 18:07:08,626 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,627 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:08,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:07:08 ImpRootNode [2020-12-01 18:07:08,627 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:07:08,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:07:08,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:07:08,627 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:07:08,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:12" (3/4) ... [2020-12-01 18:07:08,631 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:07:08,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:07:08,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 18:07:08,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:07:08,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:07:08,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:07:08,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 18:07:08,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:07:08,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:07:08,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 18:07:08,646 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-12-01 18:07:08,647 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 18:07:08,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:07:08,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:07:08,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:07:08,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:07:08,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:07:08,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || (!(pumpRunning == 0) && 1 == systemActive)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2020-12-01 18:07:08,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 18:07:08,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methaneLevelCritical == 0 || pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2020-12-01 18:07:08,725 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5bd6c308-f51e-4489-a12a-ae0673e1b1c0/bin/ukojak/witness.graphml [2020-12-01 18:07:08,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:07:08,726 INFO L168 Benchmark]: Toolchain (without parser) took 59513.33 ms. Allocated memory was 100.7 MB in the beginning and 813.7 MB in the end (delta: 713.0 MB). Free memory was 71.8 MB in the beginning and 646.7 MB in the end (delta: -574.9 MB). Peak memory consumption was 137.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,727 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:07:08,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.77 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 65.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.35 ms. Allocated memory is still 100.7 MB. Free memory was 65.6 MB in the beginning and 63.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,728 INFO L168 Benchmark]: Boogie Preprocessor took 81.56 ms. Allocated memory is still 100.7 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,728 INFO L168 Benchmark]: RCFGBuilder took 2070.08 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 61.2 MB in the beginning and 87.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,729 INFO L168 Benchmark]: CodeCheck took 56561.72 ms. Allocated memory was 125.8 MB in the beginning and 813.7 MB in the end (delta: 687.9 MB). Free memory was 87.4 MB in the beginning and 653.0 MB in the end (delta: -565.6 MB). Peak memory consumption was 487.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,729 INFO L168 Benchmark]: Witness Printer took 98.02 ms. Allocated memory is still 813.7 MB. Free memory was 653.0 MB in the beginning and 646.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:08,732 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, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.5s, OverallIterations: 75, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 888946664 SDtfs, -1302507994 SDslu, 1392562776 SDs, 0 SdLazy, -698305432 SolverSat, -453309698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 138.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45337 GetRequests, 44740 SyntacticMatches, 99 SemanticMatches, 498 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116791 ImplicationChecksByTransitivity, 45.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 4020 NumberOfCodeBlocks, 4020 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 3946 ConstructedInterpolants, 0 QuantifiedInterpolants, 487190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 74 InterpolantComputations, 63 PerfectInterpolantSequences, 1742/1808 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 - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || (!(pumpRunning == 0) && 1 == systemActive)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 || pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(splverifierCounter == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || pumpRunning == 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.77 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 65.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.35 ms. Allocated memory is still 100.7 MB. Free memory was 65.6 MB in the beginning and 63.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.56 ms. Allocated memory is still 100.7 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2070.08 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 61.2 MB in the beginning and 87.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * CodeCheck took 56561.72 ms. Allocated memory was 125.8 MB in the beginning and 813.7 MB in the end (delta: 687.9 MB). Free memory was 87.4 MB in the beginning and 653.0 MB in the end (delta: -565.6 MB). Peak memory consumption was 487.2 MB. Max. memory is 16.1 GB. * Witness Printer took 98.02 ms. Allocated memory is still 813.7 MB. Free memory was 653.0 MB in the beginning and 646.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...