./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/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 0.2.0-69874e2 [2020-12-01 17:34:26,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:34:26,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:34:26,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:34:26,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:34:26,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:34:26,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:34:26,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:34:26,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:34:26,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:34:26,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:34:26,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:34:26,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:34:26,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:34:26,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:34:26,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:34:26,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:34:26,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:34:26,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:34:26,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:34:26,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:34:26,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:34:26,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:34:26,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:34:26,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:34:26,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:34:26,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:34:26,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:34:26,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:34:26,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:34:26,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:34:26,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:34:26,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:34:26,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:34:26,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:34:26,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:34:26,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:34:26,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:34:26,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:34:26,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:34:26,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:34:26,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 17:34:26,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:34:26,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:34:26,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:34:26,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:34:26,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:34:26,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:34:26,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:34:26,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:34:26,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:34:26,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:34:26,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:34:26,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:34:26,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:34:26,409 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:34:26,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:34:26,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:34:26,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:34:26,410 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:34:26,410 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:34:26,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:34:26,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:34:26,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:34:26,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:34:26,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:34:26,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:34:26,412 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:34:26,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:34:26,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:34:26,413 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_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2020-12-01 17:34:26,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:34:26,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:34:26,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:34:26,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:34:26,689 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:34:26,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-12-01 17:34:26,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/data/0a04eac2a/027a2da070e84da3b0d1d98fdb624f0d/FLAG5f0e7e65d [2020-12-01 17:34:27,315 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:34:27,315 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-12-01 17:34:27,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/data/0a04eac2a/027a2da070e84da3b0d1d98fdb624f0d/FLAG5f0e7e65d [2020-12-01 17:34:27,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/data/0a04eac2a/027a2da070e84da3b0d1d98fdb624f0d [2020-12-01 17:34:27,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:34:27,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:34:27,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:34:27,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:34:27,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:34:27,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:27,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b23a5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27, skipping insertion in model container [2020-12-01 17:34:27,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:27,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:34:27,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:34:27,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:34:27,936 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:34:27,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:34:27,969 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:34:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27 WrapperNode [2020-12-01 17:34:27,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:34:27,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:34:27,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:34:27,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:34:27,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:27,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:34:28,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:34:28,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:34:28,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:34:28,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... [2020-12-01 17:34:28,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:34:28,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:34:28,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:34:28,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:34:28,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:34:28,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:34:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:34:28,605 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:34:28,605 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 17:34:28,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:34:28 BoogieIcfgContainer [2020-12-01 17:34:28,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:34:28,609 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:34:28,609 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:34:28,620 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:34:28,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:34:28" (1/1) ... [2020-12-01 17:34:28,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:34:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2020-12-01 17:34:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2020-12-01 17:34:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:34:28,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2020-12-01 17:34:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2020-12-01 17:34:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:34:28,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-12-01 17:34:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-12-01 17:34:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:34:28,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2020-12-01 17:34:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-12-01 17:34:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:34:29,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2020-12-01 17:34:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2020-12-01 17:34:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:34:29,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2020-12-01 17:34:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-12-01 17:34:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:34:29,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2020-12-01 17:34:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2020-12-01 17:34:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:34:29,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2020-12-01 17:34:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2020-12-01 17:34:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:34:29,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2020-12-01 17:34:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-12-01 17:34:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:34:29,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2020-12-01 17:34:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-12-01 17:34:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:34:29,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2020-12-01 17:34:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-12-01 17:34:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:34:29,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2020-12-01 17:34:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-12-01 17:34:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:34:30,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2020-12-01 17:34:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2020-12-01 17:34:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:34:30,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2020-12-01 17:34:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-12-01 17:34:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:34:30,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2020-12-01 17:34:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2020-12-01 17:34:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:34:30,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2020-12-01 17:34:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-12-01 17:34:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:34:30,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2020-12-01 17:34:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2020-12-01 17:34:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:34:30,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2020-12-01 17:34:30,692 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2020-12-01 17:34:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:34:30,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2020-12-01 17:34:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-12-01 17:34:30,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:34:30,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2020-12-01 17:34:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-12-01 17:34:30,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:34:30,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2020-12-01 17:34:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-12-01 17:34:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:34:31,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2020-12-01 17:34:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-12-01 17:34:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:34:31,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2020-12-01 17:34:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2020-12-01 17:34:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:34:31,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2020-12-01 17:34:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-12-01 17:34:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:34:31,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2020-12-01 17:34:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-12-01 17:34:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:34:31,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2020-12-01 17:34:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-12-01 17:34:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:34:31,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2020-12-01 17:34:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-12-01 17:34:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:34:31,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2020-12-01 17:34:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2020-12-01 17:34:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:34:31,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2020-12-01 17:34:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2020-12-01 17:34:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:34:31,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2020-12-01 17:34:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2020-12-01 17:34:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:34:32,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2020-12-01 17:34:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-12-01 17:34:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:34:32,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2020-12-01 17:34:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2020-12-01 17:34:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:34:32,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2020-12-01 17:34:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-12-01 17:34:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:34:32,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2020-12-01 17:34:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2020-12-01 17:34:32,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:34:32,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2020-12-01 17:34:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-12-01 17:34:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:34:32,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2020-12-01 17:34:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-12-01 17:34:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:34:32,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2020-12-01 17:34:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-12-01 17:34:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:34:32,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2020-12-01 17:34:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-12-01 17:34:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:34:32,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:32,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2020-12-01 17:34:33,107 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-12-01 17:34:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:34:33,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2020-12-01 17:34:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2020-12-01 17:34:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:33,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2020-12-01 17:34:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-12-01 17:34:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2020-12-01 17:34:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-12-01 17:34:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2020-12-01 17:34:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2020-12-01 17:34:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2020-12-01 17:34:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2020-12-01 17:34:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2020-12-01 17:34:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2020-12-01 17:34:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2020-12-01 17:34:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2020-12-01 17:34:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2020-12-01 17:34:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2020-12-01 17:34:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:34,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:34:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2020-12-01 17:34:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2020-12-01 17:34:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:34:35,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:34:35,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:34:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:34:35,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:34:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:34:35,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:34:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:34:35,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:34:35,286 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2020-12-01 17:34:35,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:34:35 ImpRootNode [2020-12-01 17:34:35,307 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:34:35,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:34:35,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:34:35,308 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:34:35,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:34:28" (3/4) ... [2020-12-01 17:34:35,311 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:34:35,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d3d3d5c8-4cdf-4e62-a204-0aeb387fd78e/bin/ukojak/witness.graphml [2020-12-01 17:34:35,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:34:35,382 INFO L168 Benchmark]: Toolchain (without parser) took 7693.66 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 58.2 MB in the beginning and 43.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:34:35,383 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:34:35,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.20 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 68.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:34:35,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.53 ms. Allocated memory is still 90.2 MB. Free memory was 68.0 MB in the beginning and 66.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:34:35,386 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 65.6 MB in the end (delta: 916.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:34:35,387 INFO L168 Benchmark]: RCFGBuilder took 577.11 ms. Allocated memory is still 90.2 MB. Free memory was 65.6 MB in the beginning and 44.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:34:35,388 INFO L168 Benchmark]: CodeCheck took 6698.20 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 44.2 MB in the beginning and 45.6 MB in the end (delta: -1.4 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:34:35,389 INFO L168 Benchmark]: Witness Printer took 61.35 ms. Allocated memory is still 132.1 MB. Free memory was 45.6 MB in the beginning and 43.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:34:35,393 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: 6.6s, 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, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s 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 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 29.7 MB in the beginning and 29.6 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 278.20 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 68.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.53 ms. Allocated memory is still 90.2 MB. Free memory was 68.0 MB in the beginning and 66.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.90 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 65.6 MB in the end (delta: 916.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 577.11 ms. Allocated memory is still 90.2 MB. Free memory was 65.6 MB in the beginning and 44.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 6698.20 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 44.2 MB in the beginning and 45.6 MB in the end (delta: -1.4 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. * Witness Printer took 61.35 ms. Allocated memory is still 132.1 MB. Free memory was 45.6 MB in the beginning and 43.6 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...