./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/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 d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:37:26,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:26,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:26,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:26,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:26,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:26,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:26,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:26,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:26,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:26,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:26,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:26,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:26,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:26,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:26,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:26,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:26,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:26,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:26,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:26,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:26,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:26,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:26,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:26,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:26,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:26,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:26,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:26,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:26,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:26,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:26,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:26,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:26,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:26,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:26,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:26,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:26,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:26,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:26,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:26,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:26,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:37:26,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:26,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:26,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:26,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:26,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:26,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:26,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:26,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:26,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:26,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:26,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:26,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:26,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:26,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:26,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:26,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:26,382 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:26,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:26,383 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:26,383 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:26,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:26,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:26,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:26,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:26,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:26,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:26,385 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:26,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:26,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:26,388 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_9b1bd5b4-a608-44d8-a082-2b13400943cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-11-28 04:37:26,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:26,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:26,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:26,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:26,757 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:26,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_security.c [2020-11-28 04:37:26,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/data/30876a594/909f21b44ffc4501a2f07bbbbf9a3a55/FLAGc21a0dd58 [2020-11-28 04:37:27,436 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:27,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/sv-benchmarks/c/psyco/psyco_security.c [2020-11-28 04:37:27,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/data/30876a594/909f21b44ffc4501a2f07bbbbf9a3a55/FLAGc21a0dd58 [2020-11-28 04:37:27,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/data/30876a594/909f21b44ffc4501a2f07bbbbf9a3a55 [2020-11-28 04:37:27,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:27,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:27,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:27,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:27,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:27,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:27" (1/1) ... [2020-11-28 04:37:27,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0b86b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:27, skipping insertion in model container [2020-11-28 04:37:27,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:27" (1/1) ... [2020-11-28 04:37:27,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:27,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:28,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:28,073 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:28,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:28,133 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:28,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28 WrapperNode [2020-11-28 04:37:28,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:28,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:28,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:28,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:28,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:28,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:28,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:28,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:28,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... [2020-11-28 04:37:28,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:28,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:28,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:28,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:28,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:37:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:37:29,211 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:29,212 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-28 04:37:29,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:29 BoogieIcfgContainer [2020-11-28 04:37:29,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:29,216 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:29,216 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:29,229 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:29,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:29" (1/1) ... [2020-11-28 04:37:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2020-11-28 04:37:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2020-11-28 04:37:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:37:29,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2020-11-28 04:37:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2020-11-28 04:37:29,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:37:29,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:29,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2020-11-28 04:37:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2020-11-28 04:37:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:37:29,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2020-11-28 04:37:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2020-11-28 04:37:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:37:29,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2020-11-28 04:37:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2020-11-28 04:37:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:37:29,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2020-11-28 04:37:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2020-11-28 04:37:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:37:30,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:30,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2020-11-28 04:37:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2020-11-28 04:37:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:37:30,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2020-11-28 04:37:30,660 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2020-11-28 04:37:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:37:30,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2020-11-28 04:37:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2020-11-28 04:37:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:37:30,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2020-11-28 04:37:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2020-11-28 04:37:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:37:31,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2020-11-28 04:37:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2020-11-28 04:37:31,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:37:31,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 110 states and 203 transitions. [2020-11-28 04:37:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 203 transitions. [2020-11-28 04:37:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:37:31,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 119 states and 225 transitions. [2020-11-28 04:37:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 225 transitions. [2020-11-28 04:37:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:37:31,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:37:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 122 states and 234 transitions. [2020-11-28 04:37:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2020-11-28 04:37:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:37:32,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2020-11-28 04:37:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2020-11-28 04:37:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:37:32,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2020-11-28 04:37:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2020-11-28 04:37:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:37:32,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 264 transitions. [2020-11-28 04:37:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 264 transitions. [2020-11-28 04:37:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:37:33,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:37:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2020-11-28 04:37:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2020-11-28 04:37:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:37:33,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 146 states and 282 transitions. [2020-11-28 04:37:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 282 transitions. [2020-11-28 04:37:33,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:37:33,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 149 states and 285 transitions. [2020-11-28 04:37:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 285 transitions. [2020-11-28 04:37:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:37:33,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 308 transitions. [2020-11-28 04:37:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2020-11-28 04:37:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:37:34,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 315 transitions. [2020-11-28 04:37:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2020-11-28 04:37:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:37:34,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 317 transitions. [2020-11-28 04:37:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 317 transitions. [2020-11-28 04:37:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:37:34,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 171 states and 331 transitions. [2020-11-28 04:37:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 331 transitions. [2020-11-28 04:37:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:37:34,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:37:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 173 states and 340 transitions. [2020-11-28 04:37:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 340 transitions. [2020-11-28 04:37:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:37:34,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:37:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 173 states and 339 transitions. [2020-11-28 04:37:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 339 transitions. [2020-11-28 04:37:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:37:35,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:37:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 338 transitions. [2020-11-28 04:37:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 338 transitions. [2020-11-28 04:37:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:37:35,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:37:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 173 states and 333 transitions. [2020-11-28 04:37:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 333 transitions. [2020-11-28 04:37:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:37:35,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:37:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 328 transitions. [2020-11-28 04:37:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2020-11-28 04:37:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:37:35,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:37:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 173 states and 323 transitions. [2020-11-28 04:37:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2020-11-28 04:37:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:37:35,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:37:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 174 states and 322 transitions. [2020-11-28 04:37:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 322 transitions. [2020-11-28 04:37:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:37:35,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:37:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 174 states and 321 transitions. [2020-11-28 04:37:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 321 transitions. [2020-11-28 04:37:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:37:35,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:37:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 318 transitions. [2020-11-28 04:37:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 318 transitions. [2020-11-28 04:37:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:37:35,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:37:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 174 states and 315 transitions. [2020-11-28 04:37:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 315 transitions. [2020-11-28 04:37:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:37:36,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:37:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 174 states and 314 transitions. [2020-11-28 04:37:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2020-11-28 04:37:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:37:36,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:37:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 174 states and 313 transitions. [2020-11-28 04:37:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2020-11-28 04:37:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:37:36,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:37:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-11-28 04:37:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-11-28 04:37:36,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:37:36,174 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-11-28 04:37:36,182 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:37:36,486 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-11-28 04:37:36,499 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:37:36,500 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:37:36,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:37:36 ImpRootNode [2020-11-28 04:37:36,500 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:37:36,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:37:36,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:37:36,502 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:37:36,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:29" (3/4) ... [2020-11-28 04:37:36,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:37:36,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 04:37:36,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:37:36,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:37:36,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:37:36,606 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9b1bd5b4-a608-44d8-a082-2b13400943cd/bin/ukojak/witness.graphml [2020-11-28 04:37:36,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:37:36,609 INFO L168 Benchmark]: Toolchain (without parser) took 8807.86 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 64.9 MB in the beginning and 82.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,609 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:36,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.38 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 53.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.14 ms. Allocated memory is still 94.4 MB. Free memory was 53.2 MB in the beginning and 51.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,611 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 94.4 MB. Free memory was 51.2 MB in the beginning and 49.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,612 INFO L168 Benchmark]: RCFGBuilder took 959.09 ms. Allocated memory is still 94.4 MB. Free memory was 49.5 MB in the beginning and 50.4 MB in the end (delta: -836.4 kB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,613 INFO L168 Benchmark]: CodeCheck took 7284.90 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 50.4 MB in the beginning and 85.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,614 INFO L168 Benchmark]: Witness Printer took 105.22 ms. Allocated memory is still 136.3 MB. Free memory was 85.6 MB in the beginning and 82.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:36,617 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1477218976 SDtfs, 1411276928 SDslu, 1585485852 SDs, 0 SdLazy, -1411179212 SolverSat, 1821270272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10454 GetRequests, 10255 SyntacticMatches, 91 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6398 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 975 NumberOfCodeBlocks, 975 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 939 ConstructedInterpolants, 0 QuantifiedInterpolants, 52324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 35 PerfectInterpolantSequences, 401/403 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: 4]: 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: 24]: Loop Invariant Derived loop invariant: (((3 == this_state && q == 4) || q == 0) || (q == 3 && 2 == this_state)) || (this_state == 0 && q == 2) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: q == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.38 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 53.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.14 ms. Allocated memory is still 94.4 MB. Free memory was 53.2 MB in the beginning and 51.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 94.4 MB. Free memory was 51.2 MB in the beginning and 49.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 959.09 ms. Allocated memory is still 94.4 MB. Free memory was 49.5 MB in the beginning and 50.4 MB in the end (delta: -836.4 kB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * CodeCheck took 7284.90 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 50.4 MB in the beginning and 85.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Witness Printer took 105.22 ms. Allocated memory is still 136.3 MB. Free memory was 85.6 MB in the beginning and 82.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...