./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --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_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/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 b2585982366e12850b78353d5a08eef796173b16 ........................................................................................................................................................................................................................................................ 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 16:51:06,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:51:06,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:51:06,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:51:06,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:51:06,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:51:06,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:51:06,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:51:06,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:51:06,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:51:06,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:51:06,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:51:06,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:51:06,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:51:06,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:51:06,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:51:06,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:51:06,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:51:06,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:51:06,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:51:06,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:51:06,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:51:06,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:51:06,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:51:06,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:51:06,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:51:06,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:51:06,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:51:06,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:51:06,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:51:06,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:51:06,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:51:06,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:51:06,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:51:06,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:51:06,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:51:06,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:51:06,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:51:06,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:51:06,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:51:06,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:51:06,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:51:06,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:51:06,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:51:06,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:51:06,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:51:06,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:51:06,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:51:06,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:51:06,792 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:51:06,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:51:06,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:51:06,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:51:06,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:51:06,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:51:06,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:51:06,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:51:06,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:51:06,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:51:06,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:51:06,796 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:51:06,797 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:51:06,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:51:06,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:51:06,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:51:06,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:51:06,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:51:06,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:51:06,799 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:51:06,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:51:06,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:51:06,800 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_2e46519d-17e9-485c-974c-571389cd4c15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2585982366e12850b78353d5a08eef796173b16 [2020-12-01 16:51:07,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:51:07,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:51:07,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:51:07,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:51:07,189 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:51:07,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_trans.i [2020-12-01 16:51:07,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/data/48b22e5a9/6b477895bfd945e293f41a3c10af7a4d/FLAG947799028 [2020-12-01 16:51:07,842 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:51:07,843 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/sv-benchmarks/c/loop-invgen/id_trans.i [2020-12-01 16:51:07,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/data/48b22e5a9/6b477895bfd945e293f41a3c10af7a4d/FLAG947799028 [2020-12-01 16:51:08,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/data/48b22e5a9/6b477895bfd945e293f41a3c10af7a4d [2020-12-01 16:51:08,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:51:08,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:51:08,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:51:08,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:51:08,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:51:08,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471dfe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08, skipping insertion in model container [2020-12-01 16:51:08,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:51:08,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:51:08,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:51:08,487 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:51:08,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:51:08,527 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:51:08,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08 WrapperNode [2020-12-01 16:51:08,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:51:08,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:51:08,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:51:08,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:51:08,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:51:08,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:51:08,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:51:08,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:51:08,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... [2020-12-01 16:51:08,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:51:08,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:51:08,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:51:08,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:51:08,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:51:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/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 16:51:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:51:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:51:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:51:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:51:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:51:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:51:09,204 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:51:09,205 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 16:51:09,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:51:09 BoogieIcfgContainer [2020-12-01 16:51:09,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:51:09,209 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:51:09,209 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:51:09,222 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:51:09,223 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:51:09" (1/1) ... [2020-12-01 16:51:09,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:51:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2020-12-01 16:51:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2020-12-01 16:51:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:51:09,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:09,577 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 16:51:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 29 transitions. [2020-12-01 16:51:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2020-12-01 16:51:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:51:09,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:51:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 28 transitions. [2020-12-01 16:51:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 16:51:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:51:10,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:51:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 37 transitions. [2020-12-01 16:51:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2020-12-01 16:51:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:51:10,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:51:10,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:51:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:51:10,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:51:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:51:10,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:51:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:51:10,750 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:51:10,795 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-12-01 16:51:10,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:51:10 ImpRootNode [2020-12-01 16:51:10,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:51:10,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:51:10,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:51:10,832 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:51:10,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:51:09" (3/4) ... [2020-12-01 16:51:10,835 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:51:10,898 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2e46519d-17e9-485c-974c-571389cd4c15/bin/ukojak/witness.graphml [2020-12-01 16:51:10,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:51:10,901 INFO L168 Benchmark]: Toolchain (without parser) took 2693.49 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 71.8 MB in the beginning and 89.1 MB in the end (delta: -17.4 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:10,902 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 98.6 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:51:10,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.89 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 71.5 MB in the beginning and 96.2 MB in the end (delta: -24.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:10,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.10 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 94.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:10,905 INFO L168 Benchmark]: Boogie Preprocessor took 28.02 ms. Allocated memory is still 119.5 MB. Free memory was 94.9 MB in the beginning and 93.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:51:10,906 INFO L168 Benchmark]: RCFGBuilder took 609.70 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 78.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:10,907 INFO L168 Benchmark]: CodeCheck took 1621.52 ms. Allocated memory is still 119.5 MB. Free memory was 78.5 MB in the beginning and 92.1 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:51:10,908 INFO L168 Benchmark]: Witness Printer took 67.45 ms. Allocated memory is still 119.5 MB. Free memory was 92.1 MB in the beginning and 89.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:10,912 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, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 178 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 910 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 10/10 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] int idBitLength, material_length, nlen; [L26] int j, k; [L27] nlen = __VERIFIER_nondet_int() [L28] idBitLength = __VERIFIER_nondet_int() [L29] material_length = __VERIFIER_nondet_int() [L30] COND FALSE !(!( nlen == idBitLength / 32 )) [L31] j = 0 [L31] COND TRUE (j < idBitLength / 8) && (j < material_length) [L32] CALL __VERIFIER_assert( 0 <= j) [L18] COND FALSE !(!(cond)) [L32] RET __VERIFIER_assert( 0 <= j) [L33] CALL __VERIFIER_assert( j < material_length ) [L18] COND FALSE !(!(cond)) [L33] RET __VERIFIER_assert( j < material_length ) [L34] CALL __VERIFIER_assert( 0 <= j/4 ) [L18] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert( 0 <= j/4 ) [L35] CALL __VERIFIER_assert( j/4 < nlen) [L18] COND TRUE !(cond) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "assert.h", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 98.6 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.89 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 71.5 MB in the beginning and 96.2 MB in the end (delta: -24.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.10 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 94.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.02 ms. Allocated memory is still 119.5 MB. Free memory was 94.9 MB in the beginning and 93.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 609.70 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 78.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1621.52 ms. Allocated memory is still 119.5 MB. Free memory was 78.5 MB in the beginning and 92.1 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 67.45 ms. Allocated memory is still 119.5 MB. Free memory was 92.1 MB in the beginning and 89.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...