./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_8.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_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/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 37d0ed05d77a0379c9ed98058bf2f327252773ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:02:21,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:02:21,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:02:21,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:02:21,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:02:21,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:02:21,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:02:21,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:02:21,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:02:21,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:02:21,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:02:21,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:02:21,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:02:21,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:02:21,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:02:21,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:02:21,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:02:21,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:02:21,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:02:21,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:02:21,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:02:21,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:02:21,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:02:21,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:02:21,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:02:21,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:02:21,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:02:21,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:02:21,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:02:21,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:02:21,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:02:21,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:02:21,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:02:21,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:02:22,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:02:22,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:02:22,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:02:22,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:02:22,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:02:22,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:02:22,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:02:22,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:02:22,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:02:22,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:02:22,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:02:22,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:02:22,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:02:22,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:02:22,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:02:22,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:02:22,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:02:22,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:02:22,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:02:22,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:02:22,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:02:22,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:02:22,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:02:22,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:02:22,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:02:22,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:02:22,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:02:22,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:02:22,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:02:22,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:02:22,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:02:22,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:02:22,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:02:22,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:02:22,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:02:22,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:02:22,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:02:22,086 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_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37d0ed05d77a0379c9ed98058bf2f327252773ce [2020-12-01 18:02:22,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:02:22,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:02:22,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:02:22,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:02:22,523 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:02:22,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_8.c [2020-12-01 18:02:22,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/data/15b16eded/5ac949dbee7e47c185eac2a404efa60c/FLAG7ef2155da [2020-12-01 18:02:23,414 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:02:23,415 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/sv-benchmarks/c/locks/test_locks_8.c [2020-12-01 18:02:23,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/data/15b16eded/5ac949dbee7e47c185eac2a404efa60c/FLAG7ef2155da [2020-12-01 18:02:23,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/data/15b16eded/5ac949dbee7e47c185eac2a404efa60c [2020-12-01 18:02:23,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:02:23,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:02:23,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:23,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:02:23,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:02:23,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:23,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4472061c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:23, skipping insertion in model container [2020-12-01 18:02:23,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:23" (1/1) ... [2020-12-01 18:02:23,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:02:23,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:02:24,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:24,118 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:02:24,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:02:24,168 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:02:24,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24 WrapperNode [2020-12-01 18:02:24,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:24,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:24,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:02:24,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:02:24,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:02:24,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:02:24,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:02:24,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:02:24,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... [2020-12-01 18:02:24,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:02:24,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:02:24,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:02:24,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:02:24,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/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 18:02:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:02:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:02:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:02:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:02:25,042 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:02:25,054 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 18:02:25,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:25 BoogieIcfgContainer [2020-12-01 18:02:25,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:02:25,058 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:02:25,059 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:02:25,084 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:02:25,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:25" (1/1) ... [2020-12-01 18:02:25,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:02:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2020-12-01 18:02:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2020-12-01 18:02:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:02:25,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:25,459 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 18:02:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2020-12-01 18:02:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2020-12-01 18:02:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:02:25,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:25,663 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 18:02:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2020-12-01 18:02:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2020-12-01 18:02:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:02:25,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:26,006 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 18:02:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2020-12-01 18:02:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2020-12-01 18:02:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:02:26,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:26,265 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 18:02:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2020-12-01 18:02:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2020-12-01 18:02:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:02:26,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:26,744 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 18:02:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2020-12-01 18:02:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2020-12-01 18:02:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:02:26,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:27,045 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 18:02:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2020-12-01 18:02:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2020-12-01 18:02:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:02:27,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:27,772 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 18:02:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2020-12-01 18:02:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2020-12-01 18:02:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:02:27,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:27,971 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 18:02:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2020-12-01 18:02:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2020-12-01 18:02:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:02:28,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:28,282 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 18:02:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2020-12-01 18:02:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-12-01 18:02:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:02:29,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:29,451 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 18:02:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2020-12-01 18:02:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2020-12-01 18:02:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:02:29,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:29,671 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 18:02:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:29,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-12-01 18:02:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-12-01 18:02:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:02:29,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:29,957 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 18:02:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2020-12-01 18:02:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2020-12-01 18:02:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:02:30,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:30,352 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 18:02:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2020-12-01 18:02:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-12-01 18:02:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:02:30,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:30,799 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 18:02:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2020-12-01 18:02:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2020-12-01 18:02:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:02:32,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:32,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2020-12-01 18:02:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2020-12-01 18:02:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:02:32,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:33,024 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 18:02:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2020-12-01 18:02:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2020-12-01 18:02:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:02:33,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:33,338 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 18:02:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2020-12-01 18:02:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2020-12-01 18:02:33,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:02:33,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:33,746 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 18:02:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2020-12-01 18:02:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2020-12-01 18:02:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:02:34,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:34,248 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 18:02:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-12-01 18:02:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-12-01 18:02:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:02:36,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:36,941 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 18:02:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2020-12-01 18:02:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2020-12-01 18:02:37,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:02:37,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:37,249 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 18:02:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2020-12-01 18:02:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2020-12-01 18:02:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:02:37,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:02:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2020-12-01 18:02:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2020-12-01 18:02:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:37,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:37,908 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 18:02:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2020-12-01 18:02:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2020-12-01 18:02:38,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:38,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:38,358 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 18:02:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2020-12-01 18:02:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2020-12-01 18:02:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:38,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:38,938 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 18:02:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2020-12-01 18:02:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2020-12-01 18:02:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:41,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:41,970 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 18:02:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2020-12-01 18:02:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2020-12-01 18:02:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:42,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:42,262 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 18:02:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-12-01 18:02:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-12-01 18:02:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:42,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:42,546 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 18:02:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2020-12-01 18:02:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2020-12-01 18:02:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:02:42,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:42,999 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 18:02:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2020-12-01 18:02:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-12-01 18:02:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:43,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:43,380 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 18:02:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2020-12-01 18:02:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2020-12-01 18:02:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:43,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:43,833 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 18:02:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2020-12-01 18:02:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2020-12-01 18:02:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:44,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:44,191 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 18:02:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2020-12-01 18:02:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2020-12-01 18:02:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:44,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:44,550 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 18:02:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2020-12-01 18:02:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2020-12-01 18:02:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:44,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:44,958 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 18:02:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2020-12-01 18:02:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-01 18:02:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:45,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:45,302 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 18:02:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2020-12-01 18:02:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2020-12-01 18:02:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:02:45,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:02:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:02:45,727 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 18:02:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:02:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2020-12-01 18:02:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-12-01 18:02:46,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:02:46,148 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-12-01 18:02:46,155 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:02:46,448 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:02:46,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:02:46,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:02:46,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:02:46 ImpRootNode [2020-12-01 18:02:46,453 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:02:46,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:02:46,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:02:46,454 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:02:46,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:02:25" (3/4) ... [2020-12-01 18:02:46,458 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:02:46,470 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-01 18:02:46,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:02:46,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:02:46,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:02:46,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f7062a44-a3b9-4710-b6b6-b9b7ffda9641/bin/ukojak/witness.graphml [2020-12-01 18:02:46,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:02:46,545 INFO L168 Benchmark]: Toolchain (without parser) took 22785.14 ms. Allocated memory was 98.6 MB in the beginning and 337.6 MB in the end (delta: 239.1 MB). Free memory was 66.3 MB in the beginning and 130.7 MB in the end (delta: -64.4 MB). Peak memory consumption was 173.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,546 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 67.1 MB. Free memory was 29.6 MB in the beginning and 29.6 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:02:46,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.89 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 75.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.51 ms. Allocated memory is still 98.6 MB. Free memory was 75.7 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,550 INFO L168 Benchmark]: Boogie Preprocessor took 32.35 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:02:46,550 INFO L168 Benchmark]: RCFGBuilder took 803.53 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 41.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,551 INFO L168 Benchmark]: CodeCheck took 21394.55 ms. Allocated memory was 98.6 MB in the beginning and 337.6 MB in the end (delta: 239.1 MB). Free memory was 41.2 MB in the beginning and 134.9 MB in the end (delta: -93.7 MB). Peak memory consumption was 147.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,551 INFO L168 Benchmark]: Witness Printer took 87.36 ms. Allocated memory is still 337.6 MB. Free memory was 134.9 MB in the beginning and 130.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,554 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 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.0s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1091591932 SDslu, 0 SDs, 0 SdLazy, -275063304 SolverSat, -34619652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3992 GetRequests, 3736 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29575 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 20372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 67.1 MB. Free memory was 29.6 MB in the beginning and 29.6 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.89 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 75.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.51 ms. Allocated memory is still 98.6 MB. Free memory was 75.7 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.35 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 803.53 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 41.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * CodeCheck took 21394.55 ms. Allocated memory was 98.6 MB in the beginning and 337.6 MB in the end (delta: 239.1 MB). Free memory was 41.2 MB in the beginning and 134.9 MB in the end (delta: -93.7 MB). Peak memory consumption was 147.4 MB. Max. memory is 16.1 GB. * Witness Printer took 87.36 ms. Allocated memory is still 337.6 MB. Free memory was 134.9 MB in the beginning and 130.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...