./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 fe7be15075ce01a2506fca5f00f42200a3ccb6fbddb1902e9169c6afecb0edfe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:09:43,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:09:43,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:09:43,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:09:43,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:09:43,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:09:43,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:09:43,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:09:43,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:09:43,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:09:43,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:09:43,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:09:43,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:09:43,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:09:43,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:09:43,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:09:43,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:09:43,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:09:43,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:09:43,834 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:09:43,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:09:43,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:09:43,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:09:43,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:09:43,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:09:43,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:09:43,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:09:43,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:43,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:09:43,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:09:43,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:09:43,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:09:43,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:09:43,839 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_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7be15075ce01a2506fca5f00f42200a3ccb6fbddb1902e9169c6afecb0edfe [2024-11-08 22:09:44,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:09:44,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:09:44,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:09:44,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:09:44,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:09:44,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/sum03-1.i Unable to find full path for "g++" [2024-11-08 22:09:46,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:09:46,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:09:46,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/sv-benchmarks/c/loops/sum03-1.i [2024-11-08 22:09:46,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/data/8328843cc/79f12e9937254076b4dc2426348a430d/FLAGce60e981f [2024-11-08 22:09:46,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/data/8328843cc/79f12e9937254076b4dc2426348a430d [2024-11-08 22:09:46,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:09:46,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:09:46,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:46,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:09:46,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:09:46,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebcc2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46, skipping insertion in model container [2024-11-08 22:09:46,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:09:46,705 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/sv-benchmarks/c/loops/sum03-1.i[807,820] [2024-11-08 22:09:46,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:46,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:09:46,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/sv-benchmarks/c/loops/sum03-1.i[807,820] [2024-11-08 22:09:46,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:46,765 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:09:46,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46 WrapperNode [2024-11-08 22:09:46,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:46,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:46,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:09:46,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:09:46,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,798 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-11-08 22:09:46,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:46,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:09:46,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:09:46,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:09:46,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:09:46,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:09:46,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:09:46,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:09:46,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:46" (1/1) ... [2024-11-08 22:09:46,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:09:46,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:09:46,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:09:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:09:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:09:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:09:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:09:46,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:09:46,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:09:47,051 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:09:47,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:09:47,100 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:09:47,100 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:09:47,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:47 BoogieIcfgContainer [2024-11-08 22:09:47,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:09:47,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:09:47,102 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:09:47,113 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:09:47,113 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:47" (1/1) ... [2024-11-08 22:09:47,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:09:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:09:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:09:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:09:47,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:09:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:09:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:09:47,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:47,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 22:09:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 22:09:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:09:48,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-08 22:09:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-08 22:09:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:09:49,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:49,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 22:09:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 22:09:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:09:50,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:50,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-08 22:09:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-08 22:09:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:09:52,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:52,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2024-11-08 22:09:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-08 22:09:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:09:54,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:54,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2024-11-08 22:09:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2024-11-08 22:09:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:09:56,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2024-11-08 22:09:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2024-11-08 22:09:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:09:59,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:10:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2024-11-08 22:10:01,734 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-11-08 22:10:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:10:01,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:01,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:10:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2024-11-08 22:10:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2024-11-08 22:10:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:10:04,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:04,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:10:05,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:10:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:10:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:10:05,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:10:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:10:05,896 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-11-08 22:10:05,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:10:05 ImpRootNode [2024-11-08 22:10:05,932 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:10:05,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:10:05,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:10:05,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:10:05,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:47" (3/4) ... [2024-11-08 22:10:05,936 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:10:06,016 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:10:06,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:10:06,017 INFO L158 Benchmark]: Toolchain (without parser) took 19520.90ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 139.7MB in the beginning and 273.4MB in the end (delta: -133.7MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2024-11-08 22:10:06,017 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:10:06,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.16ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 127.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:10:06,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.15ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 126.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:10:06,018 INFO L158 Benchmark]: Boogie Preprocessor took 23.27ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 125.0MB in the end (delta: 739.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:10:06,019 INFO L158 Benchmark]: RCFGBuilder took 277.40ms. Allocated memory is still 176.2MB. Free memory was 125.0MB in the beginning and 114.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:10:06,019 INFO L158 Benchmark]: CodeCheck took 18830.86ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 114.2MB in the beginning and 276.5MB in the end (delta: -162.4MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-08 22:10:06,020 INFO L158 Benchmark]: Witness Printer took 83.45ms. Allocated memory is still 371.2MB. Free memory was 276.5MB in the beginning and 273.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:10:06,021 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 305 mSDsluCounter, 319 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 309 mSDsCounter, 309 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 825 IncrementalHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 309 mSolverCounterUnsat, 10 mSDtfsCounter, 825 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1264 GetRequests, 1011 SyntacticMatches, 121 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10427 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 2271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/450 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] int sn=0; [L22] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L22] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L23] unsigned int x=0; VAL [sn=0, x=0] [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND TRUE x<10 [L26] sn = sn + (2) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) [L24] COND TRUE 1 [L25] COND FALSE !(x<10) [L28] x++ [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L14] COND TRUE !(cond) [L15] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.16ms. Allocated memory is still 176.2MB. Free memory was 139.7MB in the beginning and 127.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.15ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 126.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.27ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 125.0MB in the end (delta: 739.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 277.40ms. Allocated memory is still 176.2MB. Free memory was 125.0MB in the beginning and 114.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 18830.86ms. Allocated memory was 176.2MB in the beginning and 371.2MB in the end (delta: 195.0MB). Free memory was 114.2MB in the beginning and 276.5MB in the end (delta: -162.4MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Witness Printer took 83.45ms. Allocated memory is still 371.2MB. Free memory was 276.5MB in the beginning and 273.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:10:06,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5348f52-e556-469d-9df3-4152893cb3ce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE