./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i --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_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/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_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/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_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/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 f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:17:59,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:17:59,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:17:59,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:17:59,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:17:59,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:17:59,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:17:59,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:17:59,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:17:59,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:17:59,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:17:59,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:17:59,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:17:59,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:17:59,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:59,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:17:59,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:17:59,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:17:59,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:17:59,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:17:59,175 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_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/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 -> f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 [2024-11-13 23:17:59,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:17:59,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:17:59,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:17:59,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:17:59,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:17:59,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i Unable to find full path for "g++" [2024-11-13 23:18:01,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:01,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:01,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-11-13 23:18:01,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/data/54aa1783c/ddcb04bc93f641439e16f5e3bcdb8cf6/FLAG8529719b5 [2024-11-13 23:18:01,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/data/54aa1783c/ddcb04bc93f641439e16f5e3bcdb8cf6 [2024-11-13 23:18:01,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:01,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:01,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:01,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:01,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:01,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:01" (1/1) ... [2024-11-13 23:18:01,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7559a374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:01, skipping insertion in model container [2024-11-13 23:18:01,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:01" (1/1) ... [2024-11-13 23:18:01,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:02,079 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_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2024-11-13 23:18:02,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:02,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:02,118 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_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2024-11-13 23:18:02,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:02,138 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:02,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02 WrapperNode [2024-11-13 23:18:02,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:02,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:02,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:02,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:02,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,167 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-11-13 23:18:02,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:02,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:02,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:02,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:02,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:02,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:02,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:02,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:02,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:02,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:02,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:18:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:18:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:18:02,325 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:02,327 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:02,502 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:02,503 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:02,568 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:02,570 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:18:02,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:02 BoogieIcfgContainer [2024-11-13 23:18:02,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:02,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:02,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:02,587 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:02,587 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:02" (1/1) ... [2024-11-13 23:18:02,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 23:18:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 23:18:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:18:02,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:02,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,820 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 23:18:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 23:18:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 23:18:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:18:02,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,992 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 23:18:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 23:18:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 23:18:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:18:03,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:03,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:03,240 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 23:18:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 23:18:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 23:18:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:18:03,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:03,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:03,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:18:03,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:03,694 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 23:18:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 23:18:04,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 23:18:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:18:04,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:04,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-13 23:18:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-13 23:18:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:18:04,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:18:04,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:18:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-11-13 23:18:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-13 23:18:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:18:05,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 23:18:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2024-11-13 23:18:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-11-13 23:18:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:18:06,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:06,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:06,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:18:06,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 23:18:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 23:18:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 23:18:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:18:06,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-13 23:18:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-13 23:18:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:18:08,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2024-11-13 23:18:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2024-11-13 23:18:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:18:09,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2024-11-13 23:18:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2024-11-13 23:18:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:18:12,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 23 states and 27 transitions. [2024-11-13 23:18:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 23:18:12,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:18:12,641 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2024-11-13 23:18:12,653 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:18:13,415 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:18:13,416 INFO L77 FloydHoareUtils]: At program point L48(line 48) the Hoare annotation is: true [2024-11-13 23:18:13,416 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:18:13,416 INFO L77 FloydHoareUtils]: At program point L38(lines 38 47) the Hoare annotation is: true [2024-11-13 23:18:13,416 INFO L77 FloydHoareUtils]: At program point L38-2(lines 38 47) the Hoare annotation is: true [2024-11-13 23:18:13,417 INFO L77 FloydHoareUtils]: At program point L34-1(lines 34 37) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_main_#t~post2#1| 0)) (.cse0 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (< 1 ~counter~0) .cse0 .cse1 (not .cse2) (<= |ULTIMATE.start_main_#t~post2#1| 1)) (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse2 (<= ~counter~0 1) (<= 1 ~counter~0) .cse0 .cse1 (= |ULTIMATE.start_main_~B~0#1| 1)) (and (< 1 |ULTIMATE.start_main_#t~post2#1|) .cse0 (<= (+ |ULTIMATE.start_main_#t~post2#1| 1) ~counter~0) .cse1))) [2024-11-13 23:18:13,417 INFO L77 FloydHoareUtils]: At program point L34-3(lines 34 37) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (<= 1 ~counter~0) .cse0 .cse1) (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse0 (= ~counter~0 0) .cse1 (= |ULTIMATE.start_main_~B~0#1| 1)))) [2024-11-13 23:18:13,417 INFO L77 FloydHoareUtils]: At program point L43-2(lines 38 47) the Hoare annotation is: true [2024-11-13 23:18:13,417 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-11-13 23:18:13,417 INFO L77 FloydHoareUtils]: At program point L39-1(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-13 23:18:13,418 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (< 1 ~counter~0) .cse0 .cse1) (and (= |ULTIMATE.start_main_~b~0#1| 1) (<= 1 ~counter~0) .cse0 .cse1 (= |ULTIMATE.start_main_~B~0#1| 1)))) [2024-11-13 23:18:13,418 INFO L77 FloydHoareUtils]: At program point L19-2(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 23:18:13,418 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 23:18:13,418 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 23:18:13,418 INFO L77 FloydHoareUtils]: At program point L20(lines 20 21) the Hoare annotation is: true [2024-11-13 23:18:13,418 INFO L77 FloydHoareUtils]: At program point L19(lines 19 22) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 23:18:13,419 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) the Hoare annotation is: true [2024-11-13 23:18:13,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:18:13 ImpRootNode [2024-11-13 23:18:13,443 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:18:13,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:18:13,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:18:13,444 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:18:13,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:02" (3/4) ... [2024-11-13 23:18:13,447 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:18:13,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:18:13,456 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 23:18:13,456 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 23:18:13,456 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:18:13,457 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:18:13,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:18:13,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:18:13,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:18:13,540 INFO L158 Benchmark]: Toolchain (without parser) took 11648.97ms. Allocated memory is still 142.6MB. Free memory was 119.9MB in the beginning and 55.3MB in the end (delta: 64.6MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-11-13 23:18:13,541 INFO L158 Benchmark]: CDTParser took 2.32ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:13,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.16ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:18:13,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.05ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:13,541 INFO L158 Benchmark]: Boogie Preprocessor took 14.87ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.8MB in the end (delta: 746.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:18:13,542 INFO L158 Benchmark]: RCFGBuilder took 383.03ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 94.5MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:18:13,542 INFO L158 Benchmark]: CodeCheck took 10871.17ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 59.3MB in the end (delta: 35.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-13 23:18:13,542 INFO L158 Benchmark]: Witness Printer took 95.75ms. Allocated memory is still 142.6MB. Free memory was 59.3MB in the beginning and 55.3MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:18:13,544 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 667 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 312 mSDsluCounter, 359 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 418 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1510 IncrementalHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 418 mSolverCounterUnsat, 257 mSDtfsCounter, 1510 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1478 GetRequests, 1306 SyntacticMatches, 32 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8041 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 478 SizeOfPredicates, 3 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 31/37 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: 21]: 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: 34]: Loop Invariant Derived loop invariant: ((((1 <= counter) && (q == 0)) && (A == r)) || (((((b == 1) && (q == 0)) && (counter == 0)) && (A == r)) && (B == 1))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.32ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.16ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.05ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.87ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.8MB in the end (delta: 746.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.03ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 94.5MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10871.17ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 59.3MB in the end (delta: 35.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Witness Printer took 95.75ms. Allocated memory is still 142.6MB. Free memory was 59.3MB in the beginning and 55.3MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:18:13,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0de16f1-d440-41f5-944c-6ed4d0b68cf9/bin/ukojak-verify-EEHR8qb7sm/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