./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:19:32,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:19:32,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:19:32,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:19:32,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:19:32,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:19:32,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:19:32,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:19:32,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:19:32,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:19:32,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:19:32,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:19:32,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:19:32,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:19:32,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:19:32,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:19:32,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:19:32,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:19:32,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:19:32,669 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:19:32,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:19:32,670 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:19:32,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:19:32,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:19:32,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:19:32,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:19:32,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:19:32,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:19:32,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:32,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:19:32,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:19:32,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:19:32,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:19:32,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:19:32,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:19:32,675 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039c983cd55187ea3968542120c3863142c878775a3be18d8ccc83df12199e4d [2023-12-03 03:19:32,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:19:32,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:19:32,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:19:32,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:19:32,910 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:19:32,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2023-12-03 03:19:35,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:19:35,803 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:19:35,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/sv-benchmarks/c/loop-zilu/benchmark47_linear.i [2023-12-03 03:19:35,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/data/d77805b06/13c30640e32a416aadbf4c4a96310944/FLAG2161aba36 [2023-12-03 03:19:35,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/data/d77805b06/13c30640e32a416aadbf4c4a96310944 [2023-12-03 03:19:35,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:19:35,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:19:35,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:35,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:19:35,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:19:35,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:35" (1/1) ... [2023-12-03 03:19:35,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d18cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:35, skipping insertion in model container [2023-12-03 03:19:35,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:35" (1/1) ... [2023-12-03 03:19:35,847 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:19:35,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:35,978 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:19:35,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:36,002 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:19:36,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36 WrapperNode [2023-12-03 03:19:36,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:36,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:19:36,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:19:36,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:19:36,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,030 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-12-03 03:19:36,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:19:36,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:19:36,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:19:36,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:19:36,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:19:36,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:19:36,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:19:36,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:19:36,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:36,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:19:36,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:19:36,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:19:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:19:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:19:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:19:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:19:36,167 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:19:36,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:19:36,285 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:19:36,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:19:36,317 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:19:36,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:19:36 BoogieIcfgContainer [2023-12-03 03:19:36,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:19:36,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:19:36,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:19:36,328 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:19:36,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:19:36" (1/1) ... [2023-12-03 03:19:36,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:19:36,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-12-03 03:19:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-12-03 03:19:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:19:36,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:36,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2023-12-03 03:19:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2023-12-03 03:19:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:19:36,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-12-03 03:19:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-12-03 03:19:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:19:36,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-12-03 03:19:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-12-03 03:19:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:19:36,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-12-03 03:19:36,901 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-12-03 03:19:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:19:36,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:36,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:19:36,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:19:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:19:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:19:36,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:19:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:19:36,959 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-12-03 03:19:36,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:19:36 ImpRootNode [2023-12-03 03:19:36,980 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:19:36,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:19:36,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:19:36,981 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:19:36,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:19:36" (3/4) ... [2023-12-03 03:19:36,982 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:19:37,017 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b43d2b-815a-4c68-be54-4a8b0190d9ae/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:19:37,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:19:37,019 INFO L158 Benchmark]: Toolchain (without parser) took 1196.51ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 92.2MB in the beginning and 119.7MB in the end (delta: -27.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-12-03 03:19:37,019 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:19:37,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.35ms. Allocated memory is still 130.0MB. Free memory was 92.2MB in the beginning and 82.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:19:37,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.43ms. Allocated memory is still 130.0MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:19:37,021 INFO L158 Benchmark]: Boogie Preprocessor took 18.50ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 943.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:19:37,021 INFO L158 Benchmark]: RCFGBuilder took 268.33ms. Allocated memory is still 130.0MB. Free memory was 79.1MB in the beginning and 67.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:19:37,022 INFO L158 Benchmark]: CodeCheck took 660.19ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 67.0MB in the beginning and 121.8MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:19:37,023 INFO L158 Benchmark]: Witness Printer took 37.17ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:19:37,026 INFO L338 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, 29 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 12 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 139 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x