./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b --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 29d96db4a6009ca50700370626b51b87675af883de25c8c867b510f89e0e2698 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:37:21,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:37:21,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:37:21,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:37:21,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:37:21,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:37:21,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:37:21,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:37:21,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:37:21,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:37:21,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:37:21,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:37:21,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:37:21,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:37:21,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:37:21,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:37:21,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:37:21,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:37:21,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:21,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:37:21,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:37:21,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:37:21,447 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:37:21,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:37:21,448 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b 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 -> 29d96db4a6009ca50700370626b51b87675af883de25c8c867b510f89e0e2698 [2024-12-06 03:37:21,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:37:21,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:37:21,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:37:21,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:37:21,667 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:37:21,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_2.i [2024-12-06 03:37:24,288 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/1b8047c4c/b295e68919bb4734a09c2665083e5eed/FLAGef61d6ece [2024-12-06 03:37:24,489 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:37:24,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i [2024-12-06 03:37:24,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/1b8047c4c/b295e68919bb4734a09c2665083e5eed/FLAGef61d6ece [2024-12-06 03:37:24,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/1b8047c4c/b295e68919bb4734a09c2665083e5eed [2024-12-06 03:37:24,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:37:24,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:37:24,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:24,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:37:24,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:37:24,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:24" (1/1) ... [2024-12-06 03:37:24,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6de4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:24, skipping insertion in model container [2024-12-06 03:37:24,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:24" (1/1) ... [2024-12-06 03:37:24,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:37:24,975 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[1226,1239] [2024-12-06 03:37:24,998 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[2828,2841] [2024-12-06 03:37:24,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:25,009 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:37:25,018 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[1226,1239] [2024-12-06 03:37:25,029 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[2828,2841] [2024-12-06 03:37:25,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:25,042 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:37:25,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25 WrapperNode [2024-12-06 03:37:25,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:25,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:25,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:37:25,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:37:25,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,072 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 03:37:25,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:25,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:37:25,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:37:25,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:37:25,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,085 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:37:25,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:37:25,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:37:25,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:37:25,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:25,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:37:25,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:37:25,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:37:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:37:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:37:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:37:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:37:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:37:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:37:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:37:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:37:25,194 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:37:25,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:37:25,366 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 03:37:25,366 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:37:25,418 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:37:25,419 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:37:25,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:25 BoogieIcfgContainer [2024-12-06 03:37:25,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:37:25,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:37:25,420 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:37:25,430 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:37:25,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:25" (1/1) ... [2024-12-06 03:37:25,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:37:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 03:37:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 03:37:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:37:25,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:25,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:37:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 03:37:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 03:37:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:37:25,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:25,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:37:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 03:37:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 03:37:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:37:26,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:26,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:37:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:37:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:37:28,260 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:37:28,264 INFO L158 Benchmark]: Toolchain (without parser) took 3396.76ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 86.7MB in the end (delta: 30.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-12-06 03:37:28,264 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:28,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.87ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:37:28,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.29ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:37:28,265 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:28,266 INFO L158 Benchmark]: RCFGBuilder took 325.12ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:37:28,266 INFO L158 Benchmark]: CodeCheck took 2843.04ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 86.7MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:28,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.87ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.29ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.12ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2843.04ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 86.7MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:37:28,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b --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 29d96db4a6009ca50700370626b51b87675af883de25c8c867b510f89e0e2698 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:37:30,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:37:30,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:37:30,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:37:30,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:37:30,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:37:30,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:37:30,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:37:30,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:37:30,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:37:30,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:30,340 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:37:30,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:37:30,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:30,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:37:30,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:37:30,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:37:30,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:37:30,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:30,341 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:37:30,341 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b 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 -> 29d96db4a6009ca50700370626b51b87675af883de25c8c867b510f89e0e2698 [2024-12-06 03:37:30,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:37:30,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:37:30,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:37:30,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:37:30,603 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:37:30,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_2.i [2024-12-06 03:37:33,304 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/a94dbc025/cfb4902784bb4af397e35945d91b8cc7/FLAGef1104d27 [2024-12-06 03:37:33,466 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:37:33,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i [2024-12-06 03:37:33,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/a94dbc025/cfb4902784bb4af397e35945d91b8cc7/FLAGef1104d27 [2024-12-06 03:37:33,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/data/a94dbc025/cfb4902784bb4af397e35945d91b8cc7 [2024-12-06 03:37:33,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:37:33,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:37:33,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:33,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:37:33,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:37:33,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:33" (1/1) ... [2024-12-06 03:37:33,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27dbcd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:33, skipping insertion in model container [2024-12-06 03:37:33,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:33" (1/1) ... [2024-12-06 03:37:33,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:37:33,982 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[1226,1239] [2024-12-06 03:37:34,007 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[2828,2841] [2024-12-06 03:37:34,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:34,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:37:34,028 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[1226,1239] [2024-12-06 03:37:34,040 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_4bbc5ac3-ef7d-489a-a941-465d5590be76/sv-benchmarks/c/combinations/gcd_1+newton_3_2.i[2828,2841] [2024-12-06 03:37:34,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:34,053 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:37:34,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34 WrapperNode [2024-12-06 03:37:34,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:34,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:34,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:37:34,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:37:34,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,082 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 03:37:34,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:34,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:37:34,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:37:34,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:37:34,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,099 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:37:34,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:37:34,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:37:34,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:37:34,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:34" (1/1) ... [2024-12-06 03:37:34,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:34,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:37:34,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:37:34,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:37:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:37:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:37:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:37:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:37:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:37:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:37:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:37:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:37:34,223 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:37:34,224 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:38:01,477 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:38:01,477 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:38:01,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:38:01,537 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:38:01,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:01 BoogieIcfgContainer [2024-12-06 03:38:01,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:38:01,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:38:01,538 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:38:01,545 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:38:01,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:01" (1/1) ... [2024-12-06 03:38:01,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:38:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 03:38:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 03:38:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:38:01,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:01,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:01,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:01,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:38:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:01,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:01,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:38:01,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:01,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:38:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 03:38:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 03:38:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:38:02,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:02,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:02,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:02,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:02,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:38:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:02,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:02,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:38:02,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:02,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:38:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 03:38:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 03:38:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:04,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:04,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:04,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:04,243 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:04,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:38:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:04,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:06,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:38:06,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:15,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:15,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:38:22,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:38:25,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:38:26,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:38:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 03:38:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 03:38:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:38:29,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:29,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:38:29,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:38:29,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:38:29,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:38:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:30,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:38:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:32,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:38:32,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:38:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:38:42,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:38:51,015 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:38:58,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:39:03,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:39:05,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:39:07,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:39:08,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:39:09,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:39:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 03:39:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 03:39:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:39:09,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:09,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:39:09,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:39:09,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:39:09,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc5ac3-ef7d-489a-a941-465d5590be76/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process