./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b853b7a72b17d5b4054a16a7ba98c728e55c23b .................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 05:01:35,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:01:35,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:01:35,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:01:35,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:01:35,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:01:35,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:01:35,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:01:35,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:01:35,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:01:35,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:01:35,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:01:35,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:01:35,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:01:35,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:01:35,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:01:35,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:01:35,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:01:35,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:01:35,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:01:35,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:01:35,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:01:35,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:01:35,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:01:35,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:01:35,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:01:35,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:01:35,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:01:35,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:01:35,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:01:35,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:01:35,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:01:35,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:01:35,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:01:35,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:01:35,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:01:35,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:01:35,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:01:35,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:01:35,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:01:35,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:01:35,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:01:35,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:01:35,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:01:35,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:01:35,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:01:35,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:01:35,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:01:35,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:01:35,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:01:35,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:01:35,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:01:35,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:01:35,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:01:35,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:01:35,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:01:35,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:01:35,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:01:35,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:01:35,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:01:35,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:01:35,214 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:01:35,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:01:35,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:01:35,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:01:35,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:01:35,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:01:35,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:01:35,216 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:01:35,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:01:35,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:01:35,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_475da37b-bba7-4b1f-a904-83a24c00d7bf/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(__VERIFIER_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 -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2019-11-20 05:01:35,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:01:35,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:01:35,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:01:35,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:01:35,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:01:35,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_trans.i [2019-11-20 05:01:35,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/data/a733086c9/3a5415eb45ee4076af34b747c2336c18/FLAG409cb3a8e [2019-11-20 05:01:36,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:01:36,020 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/sv-benchmarks/c/loop-invgen/id_trans.i [2019-11-20 05:01:36,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/data/a733086c9/3a5415eb45ee4076af34b747c2336c18/FLAG409cb3a8e [2019-11-20 05:01:36,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/data/a733086c9/3a5415eb45ee4076af34b747c2336c18 [2019-11-20 05:01:36,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:01:36,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:01:36,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:01:36,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:01:36,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:01:36,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3c7c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36, skipping insertion in model container [2019-11-20 05:01:36,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,417 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:01:36,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:01:36,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:01:36,628 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:01:36,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:01:36,765 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:01:36,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36 WrapperNode [2019-11-20 05:01:36,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:01:36,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:01:36,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:01:36,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:01:36,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:01:36,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:01:36,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:01:36,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:01:36,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... [2019-11-20 05:01:36,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:01:36,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:01:36,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:01:36,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:01:36,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/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 [2019-11-20 05:01:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:01:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:01:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 05:01:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 05:01:37,238 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:01:37,238 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 05:01:37,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:37 BoogieIcfgContainer [2019-11-20 05:01:37,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:01:37,240 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:01:37,240 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:01:37,259 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:01:37,260 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:37" (1/1) ... [2019-11-20 05:01:37,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2019-11-20 05:01:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-11-20 05:01:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 05:01:37,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 28 transitions. [2019-11-20 05:01:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-11-20 05:01:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 05:01:37,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 27 transitions. [2019-11-20 05:01:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-11-20 05:01:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:01:37,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 05:01:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 26 transitions. [2019-11-20 05:01:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2019-11-20 05:01:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 05:01:38,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,303 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-11-20 05:01:38,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:01:38 ImpRootNode [2019-11-20 05:01:38,340 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:01:38,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:01:38,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:01:38,342 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:01:38,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:37" (3/4) ... [2019-11-20 05:01:38,344 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:01:38,400 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_475da37b-bba7-4b1f-a904-83a24c00d7bf/bin/ukojak/witness.graphml [2019-11-20 05:01:38,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:01:38,403 INFO L168 Benchmark]: Toolchain (without parser) took 2005.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:38,404 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:01:38,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -222.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:38,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:01:38,406 INFO L168 Benchmark]: Boogie Preprocessor took 25.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:38,407 INFO L168 Benchmark]: RCFGBuilder took 407.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:38,408 INFO L168 Benchmark]: CodeCheck took 1099.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:38,408 INFO L168 Benchmark]: Witness Printer took 59.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:38,412 INFO L335 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, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 150 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 851 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: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] int idBitLength, material_length, nlen; [L12] int j, k; [L13] nlen = __VERIFIER_nondet_int() [L14] idBitLength = __VERIFIER_nondet_int() [L15] material_length = __VERIFIER_nondet_int() [L16] COND FALSE !(!( nlen == idBitLength / 32 )) [L17] j = 0 [L17] COND TRUE (j < idBitLength / 8) && (j < material_length) [L18] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L4] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L18] RET __VERIFIER_assert( 0 <= j) [L19] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L4] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L19] RET __VERIFIER_assert( j < material_length ) [L20] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L4] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L20] RET __VERIFIER_assert( 0 <= j/4 ) [L21] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -222.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1099.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. * Witness Printer took 59.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...