./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.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_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/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 9f16087843ad8a83da47d6a6a4e9d674fa79150d .................................................................................................................................................................................................................................................................. 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 [2020-12-03 11:25:49,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:25:49,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:25:49,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:25:49,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:25:49,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:25:49,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:25:49,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:25:49,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:25:49,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:25:49,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:25:49,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:25:49,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:25:49,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:25:49,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:25:49,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:25:49,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:25:49,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:25:49,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:25:49,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:25:49,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:25:49,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:25:49,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:25:49,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:25:49,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:25:49,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:25:49,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:25:49,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:25:49,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:25:49,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:25:49,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:25:49,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:25:49,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:25:49,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:25:49,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:25:49,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:25:49,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:25:49,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:25:49,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:25:49,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:25:49,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:25:49,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 11:25:49,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:25:49,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:25:49,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:25:49,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:25:49,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:25:49,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:25:49,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:25:49,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 11:25:49,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:25:49,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:25:49,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:25:49,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:25:49,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:25:49,934 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 11:25:49,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:25:49,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:25:49,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:25:49,935 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:25:49,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:25:49,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:25:49,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:25:49,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:25:49,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:25:49,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:25:49,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:25:49,938 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:25:49,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:25:49,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:25:49,939 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_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2020-12-03 11:25:50,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:25:50,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:25:50,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:25:50,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:25:50,250 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:25:50,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-12-03 11:25:50,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/data/dddc2a55b/e5330cd437bb4b9ba873192f26c3fd98/FLAGac20d49f2 [2020-12-03 11:25:50,878 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:25:50,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2020-12-03 11:25:50,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/data/dddc2a55b/e5330cd437bb4b9ba873192f26c3fd98/FLAGac20d49f2 [2020-12-03 11:25:51,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/data/dddc2a55b/e5330cd437bb4b9ba873192f26c3fd98 [2020-12-03 11:25:51,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:25:51,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:25:51,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:25:51,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:25:51,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:25:51,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df3af1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51, skipping insertion in model container [2020-12-03 11:25:51,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:25:51,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:25:51,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:25:51,438 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:25:51,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:25:51,477 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:25:51,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51 WrapperNode [2020-12-03 11:25:51,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:25:51,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:25:51,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:25:51,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:25:51,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:25:51,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:25:51,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:25:51,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:25:51,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... [2020-12-03 11:25:51,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:25:51,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:25:51,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:25:51,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:25:51,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:25:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/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 [2020-12-03 11:25:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:25:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:25:52,013 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:25:52,013 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-03 11:25:52,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:25:52 BoogieIcfgContainer [2020-12-03 11:25:52,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:25:52,018 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:25:52,018 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:25:52,031 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:25:52,031 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:25:52" (1/1) ... [2020-12-03 11:25:52,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:25:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2020-12-03 11:25:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-03 11:25:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 11:25:52,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2020-12-03 11:25:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-12-03 11:25:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:25:52,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2020-12-03 11:25:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-12-03 11:25:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:25:52,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2020-12-03 11:25:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-12-03 11:25:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:25:52,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2020-12-03 11:25:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-12-03 11:25:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 11:25:52,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-12-03 11:25:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-12-03 11:25:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 11:25:52,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2020-12-03 11:25:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2020-12-03 11:25:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 11:25:53,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:25:53,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:25:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:25:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2020-12-03 11:25:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-12-03 11:25:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 11:25:53,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:25:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:25:53,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:25:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:25:53,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:25:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:25:53,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:25:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:25:53,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:25:53,675 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-12-03 11:25:53,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:25:53 ImpRootNode [2020-12-03 11:25:53,693 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:25:53,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:25:53,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:25:53,694 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:25:53,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:25:52" (3/4) ... [2020-12-03 11:25:53,697 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 11:25:53,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7c8ea151-440b-4b9b-af7b-e9d01f87f47e/bin/ukojak/witness.graphml [2020-12-03 11:25:53,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:25:53,735 INFO L168 Benchmark]: Toolchain (without parser) took 2481.51 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 57.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-03 11:25:53,736 INFO L168 Benchmark]: CDTParser took 1.70 ms. Allocated memory is still 73.4 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:25:53,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.06 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 79.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 11:25:53,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.70 ms. Allocated memory is still 100.7 MB. Free memory was 79.7 MB in the beginning and 78.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:25:53,738 INFO L168 Benchmark]: Boogie Preprocessor took 34.18 ms. Allocated memory is still 100.7 MB. Free memory was 78.3 MB in the beginning and 77.8 MB in the end (delta: 491.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:25:53,739 INFO L168 Benchmark]: RCFGBuilder took 445.08 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 64.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-03 11:25:53,740 INFO L168 Benchmark]: CodeCheck took 1675.88 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 58.3 MB in the end (delta: 6.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:25:53,740 INFO L168 Benchmark]: Witness Printer took 39.20 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 57.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:25:53,744 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, 30 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 446 SDslu, 32 SDs, 0 SdLazy, 2350 SolverSat, 508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 ms. Allocated memory is still 73.4 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 223.06 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 79.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.70 ms. Allocated memory is still 100.7 MB. Free memory was 79.7 MB in the beginning and 78.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.18 ms. Allocated memory is still 100.7 MB. Free memory was 78.3 MB in the beginning and 77.8 MB in the end (delta: 491.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 445.08 ms. Allocated memory is still 100.7 MB. Free memory was 77.6 MB in the beginning and 64.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1675.88 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 58.3 MB in the end (delta: 6.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Witness Printer took 39.20 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 57.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...