./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_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/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 [2020-11-28 04:42:30,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:30,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:30,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:30,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:30,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:30,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:30,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:30,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:30,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:30,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:30,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:30,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:30,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:30,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:30,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:30,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:30,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:30,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:30,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:30,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:30,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:30,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:30,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:30,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:30,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:30,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:30,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:30,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:30,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:30,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:30,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:30,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:30,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:30,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:30,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:30,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:30,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:30,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:30,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:30,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:30,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:42:30,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:30,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:30,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:30,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:30,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:30,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:30,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:30,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:42:30,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:30,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:30,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:30,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:30,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:30,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:42:30,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:30,951 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:30,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:30,952 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:30,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:30,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:30,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:30,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:30,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:30,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:30,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:30,954 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:30,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:30,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:30,954 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_54cbe1f1-00e6-445e-98d9-7d9949000612/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2020-11-28 04:42:31,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:31,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:31,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:31,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:31,280 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:31,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-11-28 04:42:31,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/data/ce1837578/29d459b403a04a0d838b2b481a349b9e/FLAG669c29c21 [2020-11-28 04:42:31,778 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:31,779 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2020-11-28 04:42:31,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/data/ce1837578/29d459b403a04a0d838b2b481a349b9e/FLAG669c29c21 [2020-11-28 04:42:32,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/data/ce1837578/29d459b403a04a0d838b2b481a349b9e [2020-11-28 04:42:32,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:32,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:32,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:32,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:32,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:32,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cc1aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32, skipping insertion in model container [2020-11-28 04:42:32,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:32,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:32,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:32,480 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:32,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:32,509 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:32,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32 WrapperNode [2020-11-28 04:42:32,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:32,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:32,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:32,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:32,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:32,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:32,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:32,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:32,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:32,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:32,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:32,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:32,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:33,135 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:33,135 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:42:33,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:33 BoogieIcfgContainer [2020-11-28 04:42:33,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:33,139 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:33,139 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:33,151 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:33,151 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:33" (1/1) ... [2020-11-28 04:42:33,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2020-11-28 04:42:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2020-11-28 04:42:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:42:33,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2020-11-28 04:42:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2020-11-28 04:42:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:42:33,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2020-11-28 04:42:33,481 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-11-28 04:42:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:42:33,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2020-11-28 04:42:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-11-28 04:42:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:42:33,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2020-11-28 04:42:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2020-11-28 04:42:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:42:33,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2020-11-28 04:42:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-11-28 04:42:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:42:34,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2020-11-28 04:42:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2020-11-28 04:42:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:42:34,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2020-11-28 04:42:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2020-11-28 04:42:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:42:34,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2020-11-28 04:42:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-11-28 04:42:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:42:34,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2020-11-28 04:42:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-11-28 04:42:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:42:34,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2020-11-28 04:42:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-11-28 04:42:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:42:34,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2020-11-28 04:42:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-11-28 04:42:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:42:34,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2020-11-28 04:42:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2020-11-28 04:42:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:42:34,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2020-11-28 04:42:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-11-28 04:42:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:42:34,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2020-11-28 04:42:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2020-11-28 04:42:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:42:34,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2020-11-28 04:42:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-11-28 04:42:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:42:34,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2020-11-28 04:42:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2020-11-28 04:42:35,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:42:35,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2020-11-28 04:42:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2020-11-28 04:42:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:42:35,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2020-11-28 04:42:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-11-28 04:42:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:42:35,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2020-11-28 04:42:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-11-28 04:42:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:35,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2020-11-28 04:42:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-11-28 04:42:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:35,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2020-11-28 04:42:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-11-28 04:42:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:35,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2020-11-28 04:42:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2020-11-28 04:42:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:35,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2020-11-28 04:42:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-11-28 04:42:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:36,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2020-11-28 04:42:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-11-28 04:42:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:36,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2020-11-28 04:42:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-11-28 04:42:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:36,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2020-11-28 04:42:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-11-28 04:42:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:36,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2020-11-28 04:42:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2020-11-28 04:42:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:36,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2020-11-28 04:42:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2020-11-28 04:42:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:36,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2020-11-28 04:42:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2020-11-28 04:42:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:42:36,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2020-11-28 04:42:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-11-28 04:42:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:42:36,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2020-11-28 04:42:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2020-11-28 04:42:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:42:36,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2020-11-28 04:42:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-11-28 04:42:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:36,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2020-11-28 04:42:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2020-11-28 04:42:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:37,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2020-11-28 04:42:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-11-28 04:42:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:37,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2020-11-28 04:42:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-11-28 04:42:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:37,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2020-11-28 04:42:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2020-11-28 04:42:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:37,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2020-11-28 04:42:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-11-28 04:42:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:42:37,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2020-11-28 04:42:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-11-28 04:42:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:42:37,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2020-11-28 04:42:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2020-11-28 04:42:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:37,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2020-11-28 04:42:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-11-28 04:42:38,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:38,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2020-11-28 04:42:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-11-28 04:42:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:39,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2020-11-28 04:42:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2020-11-28 04:42:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:39,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2020-11-28 04:42:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2020-11-28 04:42:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:39,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2020-11-28 04:42:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2020-11-28 04:42:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:39,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2020-11-28 04:42:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2020-11-28 04:42:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:39,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2020-11-28 04:42:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2020-11-28 04:42:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:39,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2020-11-28 04:42:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2020-11-28 04:42:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:40,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:40,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:40,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:40,184 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:40,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:40,207 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2020-11-28 04:42:40,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:40 ImpRootNode [2020-11-28 04:42:40,226 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:40,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:40,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:40,227 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:40,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:33" (3/4) ... [2020-11-28 04:42:40,230 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:42:40,280 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_54cbe1f1-00e6-445e-98d9-7d9949000612/bin/ukojak/witness.graphml [2020-11-28 04:42:40,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:40,295 INFO L168 Benchmark]: Toolchain (without parser) took 8122.69 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 56.2 MB in the beginning and 127.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:40,296 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:40,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.49 ms. Allocated memory is still 88.1 MB. Free memory was 56.0 MB in the beginning and 66.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:40,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 64.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:40,298 INFO L168 Benchmark]: Boogie Preprocessor took 29.88 ms. Allocated memory is still 88.1 MB. Free memory was 64.7 MB in the beginning and 63.9 MB in the end (delta: 785.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:40,299 INFO L168 Benchmark]: RCFGBuilder took 542.74 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 42.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:40,300 INFO L168 Benchmark]: CodeCheck took 7087.31 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 42.1 MB in the beginning and 129.4 MB in the end (delta: -87.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:40,309 INFO L168 Benchmark]: Witness Printer took 66.00 ms. Allocated memory is still 167.8 MB. Free memory was 129.4 MB in the beginning and 127.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:40,313 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: 7.0s, 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, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s 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 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.49 ms. Allocated memory is still 88.1 MB. Free memory was 56.0 MB in the beginning and 66.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 64.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.88 ms. Allocated memory is still 88.1 MB. Free memory was 64.7 MB in the beginning and 63.9 MB in the end (delta: 785.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 542.74 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 42.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 7087.31 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 42.1 MB in the beginning and 129.4 MB in the end (delta: -87.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 66.00 ms. Allocated memory is still 167.8 MB. Free memory was 129.4 MB in the beginning and 127.3 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...