./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f493a0ec5685991b86ced08697f863f174636a1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:28:29,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:28:29,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:28:29,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:28:29,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:28:29,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:28:29,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:28:29,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:28:29,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:28:29,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:28:29,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:28:29,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:28:29,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:28:29,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:28:29,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:28:29,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:28:29,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:28:29,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:28:29,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:28:29,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:28:29,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:28:29,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:28:29,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:28:29,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:28:29,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:28:29,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:28:29,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:28:29,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:28:29,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:28:29,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:28:29,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:28:29,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:28:29,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:28:29,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:28:29,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:28:29,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:28:29,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:28:29,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:28:29,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:28:29,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:28:29,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:28:29,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-30 01:28:29,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:28:29,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:28:29,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:28:29,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:28:29,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:28:29,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:28:29,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:28:29,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:28:29,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:28:29,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:28:29,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:28:29,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:28:29,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:28:29,642 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:28:29,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:28:29,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:28:29,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:28:29,643 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:28:29,643 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:28:29,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:28:29,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:28:29,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:28:29,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:28:29,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:28:29,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:28:29,644 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:28:29,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:28:29,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:28:29,645 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_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2020-11-30 01:28:30,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:28:30,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:28:30,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:28:30,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:28:30,074 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:28:30,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-11-30 01:28:30,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/data/341f22d8a/4a3b00d06a8d438ab5ac9881a971f2cc/FLAG465347b47 [2020-11-30 01:28:30,633 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:28:30,634 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-11-30 01:28:30,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/data/341f22d8a/4a3b00d06a8d438ab5ac9881a971f2cc/FLAG465347b47 [2020-11-30 01:28:31,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/data/341f22d8a/4a3b00d06a8d438ab5ac9881a971f2cc [2020-11-30 01:28:31,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:28:31,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:28:31,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:28:31,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:28:31,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:28:31,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144f08d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31, skipping insertion in model container [2020-11-30 01:28:31,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:28:31,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:28:31,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:28:31,219 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:28:31,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:28:31,260 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:28:31,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31 WrapperNode [2020-11-30 01:28:31,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:28:31,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:28:31,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:28:31,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:28:31,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:28:31,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:28:31,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:28:31,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:28:31,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... [2020-11-30 01:28:31,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:28:31,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:28:31,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:28:31,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:28:31,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:28:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/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 [2020-11-30 01:28:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:28:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:28:32,022 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:28:32,022 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 01:28:32,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:28:32 BoogieIcfgContainer [2020-11-30 01:28:32,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:28:32,039 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:28:32,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:28:32,054 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:28:32,055 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:28:32" (1/1) ... [2020-11-30 01:28:32,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:28:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2020-11-30 01:28:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2020-11-30 01:28:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 01:28:32,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:32,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2020-11-30 01:28:32,318 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2020-11-30 01:28:32,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 01:28:32,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-11-30 01:28:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-11-30 01:28:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:28:32,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2020-11-30 01:28:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-11-30 01:28:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:28:32,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2020-11-30 01:28:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2020-11-30 01:28:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:28:32,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2020-11-30 01:28:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-11-30 01:28:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:28:33,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2020-11-30 01:28:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2020-11-30 01:28:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:28:33,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2020-11-30 01:28:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2020-11-30 01:28:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:28:33,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2020-11-30 01:28:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-11-30 01:28:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:28:33,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2020-11-30 01:28:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-11-30 01:28:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:28:33,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2020-11-30 01:28:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-11-30 01:28:33,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:28:33,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2020-11-30 01:28:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-11-30 01:28:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:28:33,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2020-11-30 01:28:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2020-11-30 01:28:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:28:34,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2020-11-30 01:28:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-11-30 01:28:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:28:34,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2020-11-30 01:28:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2020-11-30 01:28:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:28:34,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2020-11-30 01:28:34,457 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-11-30 01:28:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:28:34,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2020-11-30 01:28:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2020-11-30 01:28:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:28:34,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2020-11-30 01:28:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2020-11-30 01:28:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:28:34,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2020-11-30 01:28:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-11-30 01:28:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:28:34,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2020-11-30 01:28:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-11-30 01:28:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:28:35,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2020-11-30 01:28:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-11-30 01:28:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:28:35,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2020-11-30 01:28:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-11-30 01:28:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:28:35,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2020-11-30 01:28:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2020-11-30 01:28:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:28:35,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2020-11-30 01:28:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-11-30 01:28:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:28:35,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2020-11-30 01:28:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-11-30 01:28:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:28:35,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2020-11-30 01:28:35,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-11-30 01:28:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:28:35,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2020-11-30 01:28:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-11-30 01:28:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:28:35,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:35,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2020-11-30 01:28:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2020-11-30 01:28:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:28:35,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2020-11-30 01:28:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2020-11-30 01:28:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:28:36,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2020-11-30 01:28:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2020-11-30 01:28:36,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:28:36,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2020-11-30 01:28:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-11-30 01:28:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:28:36,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2020-11-30 01:28:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2020-11-30 01:28:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:28:36,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2020-11-30 01:28:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-11-30 01:28:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:28:36,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2020-11-30 01:28:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2020-11-30 01:28:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:28:36,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2020-11-30 01:28:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-11-30 01:28:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:28:36,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2020-11-30 01:28:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-11-30 01:28:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:28:36,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2020-11-30 01:28:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-11-30 01:28:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:28:37,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2020-11-30 01:28:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-11-30 01:28:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:28:37,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2020-11-30 01:28:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-11-30 01:28:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:28:37,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2020-11-30 01:28:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2020-11-30 01:28:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:37,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2020-11-30 01:28:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-11-30 01:28:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:38,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2020-11-30 01:28:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-11-30 01:28:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:38,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2020-11-30 01:28:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2020-11-30 01:28:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:38,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2020-11-30 01:28:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2020-11-30 01:28:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:39,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2020-11-30 01:28:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2020-11-30 01:28:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:39,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2020-11-30 01:28:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2020-11-30 01:28:39,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:39,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2020-11-30 01:28:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2020-11-30 01:28:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:28:39,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:28:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:28:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:28:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2020-11-30 01:28:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2020-11-30 01:28:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:28:40,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:28:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:28:40,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:28:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:28:40,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:28:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:28:40,112 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:28:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:28:40,122 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:28:40,142 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2020-11-30 01:28:40,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:28:40 ImpRootNode [2020-11-30 01:28:40,194 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:28:40,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:28:40,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:28:40,195 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:28:40,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:28:32" (3/4) ... [2020-11-30 01:28:40,210 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:28:40,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3bbb13b0-2fa8-4432-81e5-c9c0541b26c3/bin/ukojak/witness.graphml [2020-11-30 01:28:40,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:28:40,288 INFO L168 Benchmark]: Toolchain (without parser) took 9278.85 ms. Allocated memory was 92.3 MB in the beginning and 172.0 MB in the end (delta: 79.7 MB). Free memory was 56.2 MB in the beginning and 112.6 MB in the end (delta: -56.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:40,289 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 72.1 MB in the beginning and 72.0 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:28:40,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.40 ms. Allocated memory is still 92.3 MB. Free memory was 56.1 MB in the beginning and 46.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:40,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 92.3 MB. Free memory was 46.8 MB in the beginning and 45.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:40,292 INFO L168 Benchmark]: Boogie Preprocessor took 29.99 ms. Allocated memory is still 92.3 MB. Free memory was 45.3 MB in the beginning and 44.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:28:40,293 INFO L168 Benchmark]: RCFGBuilder took 701.59 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 44.2 MB in the beginning and 69.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:40,295 INFO L168 Benchmark]: CodeCheck took 8155.07 ms. Allocated memory was 111.1 MB in the beginning and 172.0 MB in the end (delta: 60.8 MB). Free memory was 69.8 MB in the beginning and 114.7 MB in the end (delta: -44.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:40,296 INFO L168 Benchmark]: Witness Printer took 91.36 ms. Allocated memory is still 172.0 MB. Free memory was 114.7 MB in the beginning and 112.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:28:40,302 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, 83 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.0s, OverallIterations: 48, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 554460224 SDtfs, -1385872098 SDslu, 0 SDs, 0 SdLazy, 1384143026 SolverSat, 2077807196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 30560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND FALSE !(x > 0) [L27] EXPR x - 1 [L27] x = x - 1 [L29] COND FALSE !(x > 0) [L32] EXPR x - 1 [L32] x = x - 1 [L34] COND FALSE !(x > 0) [L37] EXPR x - 1 [L37] x = x - 1 [L39] COND FALSE !(x > 0) [L42] EXPR x - 1 [L42] x = x - 1 [L44] COND FALSE !(x > 0) [L47] EXPR x - 1 [L47] x = x - 1 [L49] COND FALSE !(x > 0) [L52] EXPR x - 1 [L52] x = x - 1 [L54] COND FALSE !(x > 0) [L57] EXPR x - 1 [L57] x = x - 1 [L59] COND FALSE !(x > 0) [L62] EXPR x - 1 [L62] x = x - 1 [L64] COND TRUE y<100 && z<100 [L65] y+x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 72.1 MB in the beginning and 72.0 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.40 ms. Allocated memory is still 92.3 MB. Free memory was 56.1 MB in the beginning and 46.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 92.3 MB. Free memory was 46.8 MB in the beginning and 45.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.99 ms. Allocated memory is still 92.3 MB. Free memory was 45.3 MB in the beginning and 44.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 701.59 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 44.2 MB in the beginning and 69.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * CodeCheck took 8155.07 ms. Allocated memory was 111.1 MB in the beginning and 172.0 MB in the end (delta: 60.8 MB). Free memory was 69.8 MB in the beginning and 114.7 MB in the end (delta: -44.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Witness Printer took 91.36 ms. Allocated memory is still 172.0 MB. Free memory was 114.7 MB in the beginning and 112.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...