./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:00:24,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:00:24,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:00:24,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:00:24,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:00:24,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:00:24,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:00:24,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:00:24,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:00:24,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:00:24,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:00:24,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:00:24,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:00:24,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:00:24,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:00:24,324 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:00:24,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:00:24,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:00:24,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:00:24,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:00:24,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:00:24,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:00:24,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:00:24,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:00:24,326 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_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:00:24,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:00:24,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:00:24,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:00:24,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:00:24,658 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:00:24,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/gcd_4.c Unable to find full path for "g++" [2024-11-13 23:00:26,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:00:26,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:00:26,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/sv-benchmarks/c/bitvector/gcd_4.c [2024-11-13 23:00:26,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/data/0f130f69b/b66f52208b6f49c5a10300323c98e683/FLAG998e86775 [2024-11-13 23:00:26,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/data/0f130f69b/b66f52208b6f49c5a10300323c98e683 [2024-11-13 23:00:26,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:00:26,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:00:26,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:00:26,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:00:26,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:00:26,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:00:26" (1/1) ... [2024-11-13 23:00:26,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee4e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:26, skipping insertion in model container [2024-11-13 23:00:26,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:00:26" (1/1) ... [2024-11-13 23:00:26,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:00:26,995 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_ceb58754-7c91-451b-9d3a-b828fee04b36/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2024-11-13 23:00:27,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:00:27,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:00:27,033 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_ceb58754-7c91-451b-9d3a-b828fee04b36/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2024-11-13 23:00:27,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:00:27,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:00:27,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27 WrapperNode [2024-11-13 23:00:27,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:00:27,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:00:27,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:00:27,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:00:27,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,087 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-13 23:00:27,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:00:27,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:00:27,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:00:27,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:00:27,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:00:27,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:00:27,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:00:27,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:00:27,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:00:27,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:00:27,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:00:27,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:00:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:00:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:00:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:00:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:00:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:00:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:00:27,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:00:27,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:00:27,454 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 23:00:27,454 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:00:27,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:00:27,536 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:00:27,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:27 BoogieIcfgContainer [2024-11-13 23:00:27,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:00:27,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:00:27,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:00:27,551 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:00:27,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:27" (1/1) ... [2024-11-13 23:00:27,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:00:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 23:00:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 23:00:27,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:00:27,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:27,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 23:00:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 23:00:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:00:27,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 23:00:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 23:00:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:00:28,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:28,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-13 23:00:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-13 23:00:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:00:28,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:28,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 23:00:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 23:00:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:00:29,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:29,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2024-11-13 23:00:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2024-11-13 23:00:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:00:30,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:30,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-11-13 23:00:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-11-13 23:00:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:00:30,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:30,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2024-11-13 23:00:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2024-11-13 23:00:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:00:32,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2024-11-13 23:00:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2024-11-13 23:00:32,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:00:32,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 31 states and 62 transitions. [2024-11-13 23:00:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 62 transitions. [2024-11-13 23:00:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:00:33,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2024-11-13 23:00:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2024-11-13 23:00:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:00:33,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:00:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:33,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:00:33,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2024-11-13 23:00:35,839 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-11-13 23:00:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:00:35,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:35,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:00:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:35,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:00:35,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 25 transitions. [2024-11-13 23:00:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 23:00:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:00:36,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:00:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:36,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:00:36,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:00:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:00:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 24 transitions. [2024-11-13 23:00:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-13 23:00:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:00:40,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:40,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:00:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:00:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 19 transitions. [2024-11-13 23:00:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-13 23:00:42,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:00:42,726 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2024-11-13 23:00:42,733 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:00:43,199 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:00:43,199 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)) [2024-11-13 23:00:43,200 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|)) [2024-11-13 23:00:43,200 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-13 23:00:43,200 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:00:43,200 INFO L77 FloydHoareUtils]: At program point L30-2(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))) [2024-11-13 23:00:43,200 INFO L77 FloydHoareUtils]: At program point L53(line 53) the Hoare annotation is: true [2024-11-13 23:00:43,200 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)) [2024-11-13 23:00:43,200 INFO L77 FloydHoareUtils]: At program point L51-1(line 51) the Hoare annotation is: true [2024-11-13 23:00:43,200 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: true [2024-11-13 23:00:43,201 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)))) [2024-11-13 23:00:43,201 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2024-11-13 23:00:43,201 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 19) the Hoare annotation is: true [2024-11-13 23:00:43,201 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))) [2024-11-13 23:00:43,201 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: true [2024-11-13 23:00:43,208 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,211 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,213 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,214 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,214 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,214 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,216 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x~0 [2024-11-13 23:00:43,216 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-13 23:00:43,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:00:43 ImpRootNode [2024-11-13 23:00:43,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:00:43,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:00:43,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:00:43,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:00:43,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:27" (3/4) ... [2024-11-13 23:00:43,228 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:00:43,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:00:43,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 23:00:43,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 23:00:43,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:00:43,236 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:00:43,236 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:00:43,261 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (9 == \result) [2024-11-13 23:00:43,271 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (9 == \result) [2024-11-13 23:00:43,313 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:00:43,313 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:00:43,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:00:43,314 INFO L158 Benchmark]: Toolchain (without parser) took 16507.89ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.0MB in the beginning and 68.6MB in the end (delta: 23.4MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-11-13 23:00:43,315 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:00:43,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.41ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:43,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.69ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:00:43,316 INFO L158 Benchmark]: Boogie Preprocessor took 17.86ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 875.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:43,316 INFO L158 Benchmark]: RCFGBuilder took 429.82ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 65.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:43,317 INFO L158 Benchmark]: CodeCheck took 15686.87ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 65.3MB in the beginning and 73.9MB in the end (delta: -8.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-13 23:00:43,317 INFO L158 Benchmark]: Witness Printer took 88.96ms. Allocated memory is still 151.0MB. Free memory was 73.9MB in the beginning and 68.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:43,319 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: 15.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 423 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3027 IncrementalHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1151 mSolverCounterUnsat, 158 mSDtfsCounter, 3027 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1946 GetRequests, 1702 SyntacticMatches, 36 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21931 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 880 SizeOfPredicates, 6 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 66 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 - 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: 20]: Location Invariant Derived location invariant: (9 == \result) - 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))) - 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.41ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.69ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.86ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 875.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 429.82ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 65.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 15686.87ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 65.3MB in the beginning and 73.9MB in the end (delta: -8.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 88.96ms. Allocated memory is still 151.0MB. Free memory was 73.9MB in the beginning and 68.6MB in the end (delta: 5.3MB). 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! [2024-11-13 23:00:43,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb58754-7c91-451b-9d3a-b828fee04b36/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE