./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.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_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/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 6ff697c57265298ce2261966fa58c440777fc865 ............................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:19:59,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:19:59,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:19:59,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:19:59,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:19:59,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:19:59,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:19:59,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:19:59,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:19:59,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:19:59,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:19:59,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:19:59,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:19:59,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:19:59,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:19:59,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:19:59,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:19:59,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:19:59,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:19:59,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:19:59,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:19:59,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:19:59,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:19:59,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:19:59,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:19:59,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:19:59,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:19:59,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:19:59,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:19:59,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:19:59,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:19:59,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:19:59,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:19:59,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:19:59,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:19:59,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:19:59,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:19:59,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:19:59,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:19:59,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:19:59,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:19:59,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 18:19:59,262 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:19:59,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:19:59,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:19:59,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:19:59,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:19:59,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:19:59,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:19:59,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:19:59,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:19:59,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:19:59,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:19:59,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:19:59,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:19:59,269 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 18:19:59,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:19:59,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:19:59,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:19:59,269 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:19:59,270 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:19:59,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:19:59,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:19:59,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:19:59,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:19:59,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:19:59,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:19:59,271 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:19:59,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:19:59,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:19:59,272 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_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff697c57265298ce2261966fa58c440777fc865 [2020-12-01 18:19:59,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:19:59,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:19:59,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:19:59,608 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:19:59,620 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:19:59,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2020-12-01 18:19:59,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/data/56b43033e/429d94ec59e84e70aaf6b79e5ad449ec/FLAG057ca8d9f [2020-12-01 18:20:00,137 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:20:00,138 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2020-12-01 18:20:00,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/data/56b43033e/429d94ec59e84e70aaf6b79e5ad449ec/FLAG057ca8d9f [2020-12-01 18:20:00,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/data/56b43033e/429d94ec59e84e70aaf6b79e5ad449ec [2020-12-01 18:20:00,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:20:00,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:20:00,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:20:00,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:20:00,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:20:00,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3325b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00, skipping insertion in model container [2020-12-01 18:20:00,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:20:00,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:20:00,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:20:00,734 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:20:00,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:20:00,794 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:20:00,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00 WrapperNode [2020-12-01 18:20:00,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:20:00,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:20:00,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:20:00,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:20:00,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:20:00,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:20:00,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:20:00,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:20:00,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... [2020-12-01 18:20:00,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:20:00,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:20:00,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:20:00,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:20:00,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:20:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-12-01 18:20:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-12-01 18:20:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:20:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:20:01,442 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:20:01,442 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 18:20:01,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:01 BoogieIcfgContainer [2020-12-01 18:20:01,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:20:01,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:20:01,446 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:20:01,456 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:20:01,456 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:01" (1/1) ... [2020-12-01 18:20:01,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:20:01,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-12-01 18:20:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-12-01 18:20:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:20:01,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2020-12-01 18:20:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2020-12-01 18:20:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:20:01,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2020-12-01 18:20:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2020-12-01 18:20:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:20:01,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2020-12-01 18:20:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-01 18:20:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:20:01,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2020-12-01 18:20:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2020-12-01 18:20:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:20:02,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2020-12-01 18:20:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2020-12-01 18:20:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:20:02,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2020-12-01 18:20:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2020-12-01 18:20:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:20:02,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2020-12-01 18:20:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2020-12-01 18:20:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:02,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2020-12-01 18:20:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2020-12-01 18:20:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:02,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2020-12-01 18:20:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2020-12-01 18:20:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:02,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 106 transitions. [2020-12-01 18:20:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2020-12-01 18:20:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:02,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 99 transitions. [2020-12-01 18:20:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2020-12-01 18:20:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:20:02,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2020-12-01 18:20:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2020-12-01 18:20:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:20:03,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2020-12-01 18:20:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2020-12-01 18:20:03,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:20:03,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2020-12-01 18:20:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2020-12-01 18:20:03,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:20:03,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2020-12-01 18:20:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2020-12-01 18:20:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,625 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 18:20:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 165 transitions. [2020-12-01 18:20:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 165 transitions. [2020-12-01 18:20:03,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 167 transitions. [2020-12-01 18:20:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2020-12-01 18:20:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 173 transitions. [2020-12-01 18:20:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2020-12-01 18:20:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 98 states and 175 transitions. [2020-12-01 18:20:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 175 transitions. [2020-12-01 18:20:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 100 states and 181 transitions. [2020-12-01 18:20:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2020-12-01 18:20:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 183 transitions. [2020-12-01 18:20:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 183 transitions. [2020-12-01 18:20:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 104 states and 189 transitions. [2020-12-01 18:20:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 189 transitions. [2020-12-01 18:20:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:03,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 106 states and 191 transitions. [2020-12-01 18:20:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2020-12-01 18:20:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:04,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 109 states and 205 transitions. [2020-12-01 18:20:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2020-12-01 18:20:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:04,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 109 states and 204 transitions. [2020-12-01 18:20:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 204 transitions. [2020-12-01 18:20:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:04,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:20:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 111 states and 205 transitions. [2020-12-01 18:20:04,829 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 205 transitions. [2020-12-01 18:20:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:20:04,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:04,839 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:04,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:04,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:20:04,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:20:04,989 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2020-12-01 18:20:05,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:20:05 ImpRootNode [2020-12-01 18:20:05,006 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:20:05,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:20:05,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:20:05,007 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:20:05,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:01" (3/4) ... [2020-12-01 18:20:05,010 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:20:05,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c37fe9ac-09b8-4040-929f-62a3b8f4df3c/bin/ukojak/witness.graphml [2020-12-01 18:20:05,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:20:05,063 INFO L168 Benchmark]: Toolchain (without parser) took 4505.59 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 56.9 MB in the beginning and 31.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:05,064 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 74.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:05,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.84 ms. Allocated memory is still 92.3 MB. Free memory was 56.7 MB in the beginning and 69.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:05,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.81 ms. Allocated memory is still 92.3 MB. Free memory was 69.6 MB in the beginning and 68.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:05,066 INFO L168 Benchmark]: Boogie Preprocessor took 31.35 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:05,067 INFO L168 Benchmark]: RCFGBuilder took 571.43 ms. Allocated memory is still 92.3 MB. Free memory was 67.0 MB in the beginning and 39.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:05,068 INFO L168 Benchmark]: CodeCheck took 3561.14 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 39.1 MB in the beginning and 32.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:05,069 INFO L168 Benchmark]: Witness Printer took 54.08 ms. Allocated memory is still 113.2 MB. Free memory was 32.1 MB in the beginning and 31.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:05,082 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 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 829693920 SDtfs, 950375714 SDslu, 1450674696 SDs, 0 SdLazy, 803229932 SolverSat, 202665982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 3792 SyntacticMatches, 246 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 21274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 1/5 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: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 [L80] COND TRUE x > 0 [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 74.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.84 ms. Allocated memory is still 92.3 MB. Free memory was 56.7 MB in the beginning and 69.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.81 ms. Allocated memory is still 92.3 MB. Free memory was 69.6 MB in the beginning and 68.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.35 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 571.43 ms. Allocated memory is still 92.3 MB. Free memory was 67.0 MB in the beginning and 39.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * CodeCheck took 3561.14 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 39.1 MB in the beginning and 32.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * Witness Printer took 54.08 ms. Allocated memory is still 113.2 MB. Free memory was 32.1 MB in the beginning and 31.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...