./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf11ae0ce80f2ff20585fcb052cccfcf6fefbf1f ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:32:50,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:32:50,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:32:50,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:32:50,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:32:50,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:32:50,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:32:50,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:32:50,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:32:50,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:32:50,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:32:50,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:32:50,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:32:50,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:32:50,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:32:50,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:32:50,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:32:50,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:32:50,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:32:50,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:32:50,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:32:50,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:32:50,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:32:50,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:32:50,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:32:50,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:32:50,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:32:50,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:32:50,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:32:50,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:32:50,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:32:50,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:32:50,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:32:50,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:32:50,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:32:50,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:32:50,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:32:50,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:32:50,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:32:50,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:32:50,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:32:50,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:32:50,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:32:50,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:32:50,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:32:50,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:32:50,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:32:50,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:32:50,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:32:50,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:32:50,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:32:50,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:32:50,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:32:50,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:32:50,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:32:50,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:32:50,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:32:50,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:32:50,268 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:32:50,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:32:50,268 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:32:50,269 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:32:50,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:32:50,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:32:50,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:32:50,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:32:50,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:32:50,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:32:50,271 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:32:50,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:32:50,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:32:50,272 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_07ec4d25-6ce2-4487-84b0-153603a2eace/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf11ae0ce80f2ff20585fcb052cccfcf6fefbf1f [2020-12-01 16:32:50,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:32:50,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:32:50,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:32:50,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:32:50,706 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:32:50,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_4.c [2020-12-01 16:32:50,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/data/4e74bb05d/0282102b23e14e76a9a22910589cd029/FLAGf04adcdd0 [2020-12-01 16:32:51,484 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:32:51,484 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/sv-benchmarks/c/loops/while_infinite_loop_4.c [2020-12-01 16:32:51,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/data/4e74bb05d/0282102b23e14e76a9a22910589cd029/FLAGf04adcdd0 [2020-12-01 16:32:51,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/data/4e74bb05d/0282102b23e14e76a9a22910589cd029 [2020-12-01 16:32:51,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:32:51,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:32:51,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:32:51,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:32:51,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:32:51,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:32:51" (1/1) ... [2020-12-01 16:32:51,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32146a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:51, skipping insertion in model container [2020-12-01 16:32:51,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:32:51" (1/1) ... [2020-12-01 16:32:51,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:32:51,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:32:52,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:32:52,200 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:32:52,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:32:52,245 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:32:52,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52 WrapperNode [2020-12-01 16:32:52,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:32:52,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:32:52,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:32:52,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:32:52,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:32:52,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:32:52,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:32:52,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:32:52,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:32:52,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:32:52,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:32:52,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:32:52,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/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 16:32:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:32:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:32:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:32:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:32:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:32:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:32:52,896 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:32:52,897 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-01 16:32:52,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:52 BoogieIcfgContainer [2020-12-01 16:32:52,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:32:52,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:32:52,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:32:52,916 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:32:52,922 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:52" (1/1) ... [2020-12-01 16:32:52,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:32:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 16:32:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 16:32:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:32:53,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:53,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:53,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:53,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:53,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:53,449 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 16:32:53,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:32:53 ImpRootNode [2020-12-01 16:32:53,482 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:32:53,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:32:53,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:32:53,487 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:32:53,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:52" (3/4) ... [2020-12-01 16:32:53,493 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:32:53,575 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07ec4d25-6ce2-4487-84b0-153603a2eace/bin/ukojak/witness.graphml [2020-12-01 16:32:53,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:32:53,584 INFO L168 Benchmark]: Toolchain (without parser) took 1737.42 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 61.8 MB in the end (delta: -20.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:53,585 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 73.4 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:53,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.07 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 41.0 MB in the beginning and 66.7 MB in the end (delta: -25.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:53,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.48 ms. Allocated memory is still 88.1 MB. Free memory was 66.7 MB in the beginning and 65.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:53,591 INFO L168 Benchmark]: Boogie Preprocessor took 44.51 ms. Allocated memory is still 88.1 MB. Free memory was 65.3 MB in the beginning and 64.5 MB in the end (delta: 828.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:53,596 INFO L168 Benchmark]: RCFGBuilder took 550.61 ms. Allocated memory is still 88.1 MB. Free memory was 64.2 MB in the beginning and 51.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:53,599 INFO L168 Benchmark]: CodeCheck took 581.03 ms. Allocated memory is still 88.1 MB. Free memory was 51.0 MB in the beginning and 63.4 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:53,601 INFO L168 Benchmark]: Witness Printer took 94.64 ms. Allocated memory is still 88.1 MB. Free memory was 63.4 MB in the beginning and 61.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:53,610 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, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int x=0; [L26] COND TRUE 1 [L16] COND TRUE 1 [L17] x=1 VAL [x=1] [L29] CALL __VERIFIER_assert(x==0) VAL [x=1] [L6] COND TRUE !(cond) VAL [x=1] [L3] __assert_fail("0", "while_infinite_loop_4.c", 3, "reach_error") VAL [x=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 73.4 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.07 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 41.0 MB in the beginning and 66.7 MB in the end (delta: -25.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.48 ms. Allocated memory is still 88.1 MB. Free memory was 66.7 MB in the beginning and 65.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.51 ms. Allocated memory is still 88.1 MB. Free memory was 65.3 MB in the beginning and 64.5 MB in the end (delta: 828.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 550.61 ms. Allocated memory is still 88.1 MB. Free memory was 64.2 MB in the beginning and 51.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 581.03 ms. Allocated memory is still 88.1 MB. Free memory was 51.0 MB in the beginning and 63.4 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 94.64 ms. Allocated memory is still 88.1 MB. Free memory was 63.4 MB in the beginning and 61.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...