./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/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_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:37,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:38,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:48:38,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:38,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:38,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:38,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:38,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:38,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:38,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:38,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:38,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:38,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:48:38,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:38,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:48:38,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:38,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:38,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:38,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:38,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:38,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:48:38,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:48:38,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:48:38,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:38,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:38,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:38,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:38,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:38,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:38,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:38,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:38,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:38,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:38,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:38,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:38,159 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_15691425-8d06-4206-a0f6-2a06dbf8d854/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 ! overflow) ) 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 -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2024-11-13 20:48:38,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:38,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:38,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:38,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:38,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:38,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c Unable to find full path for "g++" [2024-11-13 20:48:40,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:41,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:41,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-11-13 20:48:41,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data/19a0d8fba/472bb9e31a9b4beb8ae8e0faaad5b8b9/FLAGa41806ec7 [2024-11-13 20:48:41,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data/19a0d8fba/472bb9e31a9b4beb8ae8e0faaad5b8b9 [2024-11-13 20:48:41,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:41,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:41,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:41,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:41,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:41,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3118d732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41, skipping insertion in model container [2024-11-13 20:48:41,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:41,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:41,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:41,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:41,741 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:41,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41 WrapperNode [2024-11-13 20:48:41,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:41,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:41,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:41,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:41,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,809 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 212 [2024-11-13 20:48:41,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:41,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:41,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:41,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:41,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:41,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:41,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:41,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:41,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:41" (1/1) ... [2024-11-13 20:48:41,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:41,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:41,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:41,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:48:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 20:48:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 20:48:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:48:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:48:42,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:42,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:42,695 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:42,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:43,024 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:43,024 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:48:43,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:43 BoogieIcfgContainer [2024-11-13 20:48:43,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:43,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:43,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:43,037 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:43,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-11-13 20:48:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-11-13 20:48:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:48:43,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,300 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 20:48:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2024-11-13 20:48:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2024-11-13 20:48:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:48:43,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,499 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 20:48:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 90 states and 114 transitions. [2024-11-13 20:48:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2024-11-13 20:48:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:48:43,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,717 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 20:48:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 120 transitions. [2024-11-13 20:48:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2024-11-13 20:48:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:48:43,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,825 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 20:48:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2024-11-13 20:48:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-11-13 20:48:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:48:43,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,912 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 20:48:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2024-11-13 20:48:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2024-11-13 20:48:43,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:48:43,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,037 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 20:48:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 98 states and 125 transitions. [2024-11-13 20:48:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2024-11-13 20:48:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:48:44,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:44,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,141 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 20:48:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 99 states and 126 transitions. [2024-11-13 20:48:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2024-11-13 20:48:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:48:44,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:44,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,256 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 20:48:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 100 states and 127 transitions. [2024-11-13 20:48:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2024-11-13 20:48:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:48:44,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:44,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,360 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 20:48:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 101 states and 128 transitions. [2024-11-13 20:48:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 128 transitions. [2024-11-13 20:48:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:48:44,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:44,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,488 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 20:48:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2024-11-13 20:48:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2024-11-13 20:48:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:48:44,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:44,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 103 states and 133 transitions. [2024-11-13 20:48:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2024-11-13 20:48:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:48:44,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:44,870 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 20:48:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 105 states and 137 transitions. [2024-11-13 20:48:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2024-11-13 20:48:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:45,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:45,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 149 transitions. [2024-11-13 20:48:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2024-11-13 20:48:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:45,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 114 states and 152 transitions. [2024-11-13 20:48:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2024-11-13 20:48:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:45,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:45,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 163 transitions. [2024-11-13 20:48:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2024-11-13 20:48:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:48:46,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:46,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:46,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 120 states and 162 transitions. [2024-11-13 20:48:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2024-11-13 20:48:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:48:46,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:46,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 169 transitions. [2024-11-13 20:48:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions. [2024-11-13 20:48:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:48:47,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 127 states and 170 transitions. [2024-11-13 20:48:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2024-11-13 20:48:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:48:47,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 126 states and 169 transitions. [2024-11-13 20:48:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 169 transitions. [2024-11-13 20:48:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:48:47,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:47,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 168 transitions. [2024-11-13 20:48:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2024-11-13 20:48:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:48:47,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:47,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:47,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:48:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:47,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:48:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:47,508 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-11-13 20:48:47,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:48:47 ImpRootNode [2024-11-13 20:48:47,552 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:48:47,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:48:47,553 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:48:47,553 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:48:47,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:43" (3/4) ... [2024-11-13 20:48:47,557 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:48:47,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:48:47,561 INFO L158 Benchmark]: Toolchain (without parser) took 6251.26ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.5MB in the beginning and 291.9MB in the end (delta: -174.3MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2024-11-13 20:48:47,564 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:47,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.99ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.3MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:48:47,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.78ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:47,565 INFO L158 Benchmark]: Boogie Preprocessor took 29.60ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:47,565 INFO L158 Benchmark]: RCFGBuilder took 1184.02ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 95.6MB in the end (delta: 4.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-13 20:48:47,568 INFO L158 Benchmark]: CodeCheck took 4526.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 95.6MB in the beginning and 291.9MB in the end (delta: -196.3MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2024-11-13 20:48:47,568 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 427.8MB. Free memory was 291.9MB in the beginning and 291.9MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:47,572 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 3 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 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 - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; VAL [ea=0, eb=0] [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L61] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] EXPR m & ~ (1U << 24U) [L80] m = m & ~ (1U << 24U) [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=-4294967296] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=-4294967296] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.99ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.3MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.78ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.60ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1184.02ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 95.6MB in the end (delta: 4.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 4526.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 95.6MB in the beginning and 291.9MB in the end (delta: -196.3MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 427.8MB. Free memory was 291.9MB in the beginning and 291.9MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:48:47,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/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_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:50,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:50,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 20:48:50,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:50,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:50,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:50,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:50,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:50,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:50,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:50,737 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:48:50,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:48:50,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:50,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:50,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:48:50,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:50,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:50,739 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:48:50,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:50,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:50,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:50,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:50,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:50,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:48:50,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:50,741 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:48:50,741 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_15691425-8d06-4206-a0f6-2a06dbf8d854/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 ! overflow) ) 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 -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2024-11-13 20:48:51,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:51,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:51,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:51,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:51,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:51,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c Unable to find full path for "g++" [2024-11-13 20:48:53,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:53,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:53,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-11-13 20:48:53,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data/03d80d790/67f2b2ffa1e04b16b31e7b8c6bd66d79/FLAG5e769a676 [2024-11-13 20:48:53,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/data/03d80d790/67f2b2ffa1e04b16b31e7b8c6bd66d79 [2024-11-13 20:48:53,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:53,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:53,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:53,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:53,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:53,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:53" (1/1) ... [2024-11-13 20:48:53,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69aaf530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:53, skipping insertion in model container [2024-11-13 20:48:53,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:53" (1/1) ... [2024-11-13 20:48:53,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:53,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:53,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:54,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:54,102 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:54,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54 WrapperNode [2024-11-13 20:48:54,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:54,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:54,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:54,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:54,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,166 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2024-11-13 20:48:54,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:54,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:54,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:54,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:54,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:54,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:54,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:54,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:54,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:54" (1/1) ... [2024-11-13 20:48:54,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:54,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:54,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:48:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 20:48:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 20:48:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:48:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:48:54,448 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:54,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:55,135 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:55,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:55,357 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:55,357 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:48:55,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:55 BoogieIcfgContainer [2024-11-13 20:48:55,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:55,358 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:55,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:55,368 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:55,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:55" (1/1) ... [2024-11-13 20:48:55,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-11-13 20:48:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-11-13 20:48:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:48:55,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:55,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:55,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:55,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:55,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:48:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:55,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:55,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:48:55,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:55,649 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 20:48:55,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2024-11-13 20:48:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-11-13 20:48:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:48:55,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:55,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:55,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:55,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:55,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:48:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:55,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:55,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:48:55,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:55,847 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 20:48:55,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:48:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2024-11-13 20:48:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2024-11-13 20:48:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:48:55,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:55,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:55,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:55,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:48:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:48:56,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:56,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:48:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 104 transitions. [2024-11-13 20:48:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2024-11-13 20:48:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:56,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:56,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:56,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:56,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:56,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:48:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:48:56,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:56,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 83 states and 103 transitions. [2024-11-13 20:48:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2024-11-13 20:48:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:56,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:56,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:56,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:56,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:56,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:48:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:48:56,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:56,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:48:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-11-13 20:48:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-11-13 20:48:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:48:56,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:56,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:56,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:56,356 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:56,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:48:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:48:56,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:56,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:48:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 81 states and 101 transitions. [2024-11-13 20:48:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2024-11-13 20:48:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:48:56,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:56,559 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:56,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:48:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:48:56,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:56,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2024-11-13 20:48:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2024-11-13 20:48:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:48:57,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:57,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:57,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:57,546 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:57,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:48:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:57,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:57,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:48:57,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:57,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2024-11-13 20:48:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2024-11-13 20:48:57,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:48:57,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:57,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:57,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:57,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:57,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:48:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:57,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:58,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:48:58,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:48:58,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2024-11-13 20:48:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2024-11-13 20:48:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:48:58,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:58,190 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:48:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:58,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:48:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:58,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:48:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:58,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:58,451 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-13 20:48:58,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:48:58 ImpRootNode [2024-11-13 20:48:58,501 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:48:58,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:48:58,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:48:58,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:48:58,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:55" (3/4) ... [2024-11-13 20:48:58,504 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:48:58,561 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:48:58,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:48:58,563 INFO L158 Benchmark]: Toolchain (without parser) took 4926.68ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 40.8MB in the end (delta: 17.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-13 20:48:58,563 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:58,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.08ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 42.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:48:58,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.64ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 41.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:58,565 INFO L158 Benchmark]: Boogie Preprocessor took 59.12ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:58,566 INFO L158 Benchmark]: RCFGBuilder took 1130.27ms. Allocated memory is still 83.9MB. Free memory was 39.7MB in the beginning and 41.3MB in the end (delta: -1.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-13 20:48:58,567 INFO L158 Benchmark]: CodeCheck took 3142.93ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 42.8MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:58,568 INFO L158 Benchmark]: Witness Printer took 60.17ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 40.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:58,569 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 3 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 239 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 277 mSDtfsCounter, 239 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L61] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.08ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 42.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.64ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 41.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.12ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1130.27ms. Allocated memory is still 83.9MB. Free memory was 39.7MB in the beginning and 41.3MB in the end (delta: -1.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * CodeCheck took 3142.93ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 42.8MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.17ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 40.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:48:58,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15691425-8d06-4206-a0f6-2a06dbf8d854/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)