./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --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_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3 --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 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:05:51,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:05:51,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:05:51,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:05:51,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:05:51,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:05:51,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:05:51,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:05:51,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:05:51,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:05:51,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:05:51,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:05:51,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:05:51,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:05:51,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:05:51,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:05:51,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:05:51,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:05:51,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:05:51,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:05:51,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:05:51,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:05:51,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:05:51,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:05:51,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:05:51,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:05:51,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:05:51,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:05:51,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:05:51,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:05:51,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:05:51,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:05:51,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:05:51,270 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_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3 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 -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2024-11-25 04:05:51,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:05:51,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:05:51,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:05:51,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:05:51,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:05:51,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/bitvector/gcd_4.c [2024-11-25 04:05:54,547 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/data/9e32b51e0/65f26755f87d42e18d71e9c23070cc84/FLAG52ad684ed [2024-11-25 04:05:54,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:05:54,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/sv-benchmarks/c/bitvector/gcd_4.c [2024-11-25 04:05:54,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/data/9e32b51e0/65f26755f87d42e18d71e9c23070cc84/FLAG52ad684ed [2024-11-25 04:05:55,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/data/9e32b51e0/65f26755f87d42e18d71e9c23070cc84 [2024-11-25 04:05:55,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:05:55,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:05:55,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:05:55,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:05:55,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:05:55,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a23c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55, skipping insertion in model container [2024-11-25 04:05:55,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:05:55,307 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_a0b3867b-727b-4929-b096-647499f2f8fa/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2024-11-25 04:05:55,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:05:55,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:05:55,347 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_a0b3867b-727b-4929-b096-647499f2f8fa/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2024-11-25 04:05:55,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:05:55,365 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:05:55,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55 WrapperNode [2024-11-25 04:05:55,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:05:55,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:05:55,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:05:55,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:05:55,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,394 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-25 04:05:55,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:05:55,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:05:55,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:05:55,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:05:55,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,406 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:05:55,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:05:55,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:05:55,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:05:55,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:05:55,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:05:55,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:05:55,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:05:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:05:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:05:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:05:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:05:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:05:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:05:55,558 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:05:55,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:05:55,788 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 04:05:55,789 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:05:55,877 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:05:55,878 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:05:55,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:05:55 BoogieIcfgContainer [2024-11-25 04:05:55,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:05:55,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:05:55,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:05:55,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:05:55,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:05:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 04:05:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 04:05:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:05:55,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 04:05:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 04:05:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:05:56,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 04:05:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 04:05:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:05:56,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:56,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-25 04:05:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-25 04:05:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:05:57,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:57,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 04:05:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 04:05:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:05:57,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:57,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2024-11-25 04:05:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2024-11-25 04:05:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:05:58,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:58,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-11-25 04:05:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-11-25 04:05:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:05:59,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2024-11-25 04:06:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2024-11-25 04:06:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:06:00,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:00,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2024-11-25 04:06:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2024-11-25 04:06:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:06:01,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 31 states and 62 transitions. [2024-11-25 04:06:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 62 transitions. [2024-11-25 04:06:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:06:01,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:01,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2024-11-25 04:06:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2024-11-25 04:06:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:06:02,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:02,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:02,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:06:02,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2024-11-25 04:06:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-11-25 04:06:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:06:04,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:04,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:04,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:06:04,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 25 transitions. [2024-11-25 04:06:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-25 04:06:04,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:06:04,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:04,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:04,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:06:04,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 24 transitions. [2024-11-25 04:06:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 04:06:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:06:08,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:06:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 19 transitions. [2024-11-25 04:06:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-25 04:06:10,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:06:10,831 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2024-11-25 04:06:10,838 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:06:11,330 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:06:11,330 INFO L77 FloydHoareUtils]: At program point L23-1(lines 21 37) the Hoare annotation is: (and (= |ULTIMATE.start_main_~x~0#1| 63) (= |ULTIMATE.start_gcd_test_~a#1| 63) (= |ULTIMATE.start_main_~y~0#1| 18) (= |ULTIMATE.start_gcd_test_~b#1| 18)) [2024-11-25 04:06:11,330 INFO L77 FloydHoareUtils]: At program point gcd_test_returnLabel#1(lines 20 37) the Hoare annotation is: (and (= |ULTIMATE.start_main_~x~0#1| 63) (= |ULTIMATE.start_main_~y~0#1| 18) (= 9 |ULTIMATE.start_gcd_test_#res#1|)) [2024-11-25 04:06:11,330 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-25 04:06:11,330 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L30-1(lines 29 35) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_gcd_test_~a#1| 9)) (.cse0 (= |ULTIMATE.start_main_~x~0#1| 63)) (.cse1 (= |ULTIMATE.start_main_~y~0#1| 18)) (.cse2 (= |ULTIMATE.start_gcd_test_~b#1| 18))) (or (and .cse0 (= |ULTIMATE.start_gcd_test_~a#1| 27) .cse1 .cse2) (and (= |ULTIMATE.start_gcd_test_~a#1| 45) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_gcd_test_~b#1| 0) .cse3 .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse0 (= |ULTIMATE.start_gcd_test_~b#1| 9) .cse1) (and .cse0 (= |ULTIMATE.start_gcd_test_~a#1| 63) .cse1 .cse2))) [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L53(line 53) the Hoare annotation is: true [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: (and (= |ULTIMATE.start_main_~x~0#1| 63) (= 9 |ULTIMATE.start_main_~g~0#1|) (= |ULTIMATE.start_main_~y~0#1| 18)) [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L51-1(line 51) the Hoare annotation is: true [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: true [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (and (< __VERIFIER_assert_~cond 1) (not (= __VERIFIER_assert_~cond 0)))) [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 19) the Hoare annotation is: true [2024-11-25 04:06:11,331 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 19) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-25 04:06:11,332 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: true [2024-11-25 04:06:11,339 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,343 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,343 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,345 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-25 04:06:11,345 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-25 04:06:11,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:06:11 ImpRootNode [2024-11-25 04:06:11,353 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:06:11,353 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:06:11,353 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:06:11,354 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:06:11,354 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:05:55" (3/4) ... [2024-11-25 04:06:11,356 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:06:11,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 04:06:11,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-25 04:06:11,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 04:06:11,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 04:06:11,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:06:11,364 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:06:11,385 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (9 == \result) [2024-11-25 04:06:11,395 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (9 == \result) [2024-11-25 04:06:11,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:06:11,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:06:11,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:06:11,440 INFO L158 Benchmark]: Toolchain (without parser) took 16329.66ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.2MB in the beginning and 82.3MB in the end (delta: 10.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-25 04:06:11,440 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:11,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.18ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:06:11,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.75ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:11,443 INFO L158 Benchmark]: Boogie Preprocessor took 18.72ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 841.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:11,443 INFO L158 Benchmark]: RCFGBuilder took 464.61ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 66.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:06:11,444 INFO L158 Benchmark]: CodeCheck took 15473.59ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.1MB in the beginning and 86.7MB in the end (delta: -20.6MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-25 04:06:11,446 INFO L158 Benchmark]: Witness Printer took 85.79ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:06:11,448 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 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 422 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3026 IncrementalHoareTripleChecker+Invalid, 4177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1151 mSolverCounterUnsat, 158 mSDtfsCounter, 3026 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1946 GetRequests, 1706 SyntacticMatches, 36 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21147 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 880 SizeOfPredicates, 6 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 10/126 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a == 27) && (b == 18)) || ((a == 45) && (b == 18))) || ((b == 0) && (a == 9))) || ((a == 9) && (b == 18))) || ((a == 9) && (b == 9))) || ((a == 63) && (b == 18))) - InvariantResult [Line: 20]: Location Invariant Derived location invariant: (9 == \result) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.18ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.75ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.72ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 841.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.61ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 66.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15473.59ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.1MB in the beginning and 86.7MB in the end (delta: -20.6MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 85.79ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 82.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 RESULT: Ultimate proved your program to be correct! [2024-11-25 04:06:11,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b3867b-727b-4929-b096-647499f2f8fa/bin/ukojak-verify-ENZ3QT5qd3/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 Result: TRUE