./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/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_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 03:33:01,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:33:01,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:33:01,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:33:01,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:33:01,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:33:01,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:33:01,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:33:01,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:33:01,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:33:01,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:33:01,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:33:01,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:33:01,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:01,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:33:01,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:33:01,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:33:01,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:33:01,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:33:01,487 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_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-12-06 03:33:01,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:33:01,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:33:01,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:33:01,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:33:01,723 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:33:01,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-12-06 03:33:04,387 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/6231fb6d7/55cf88e732884c1685d8596c9fdd75c6/FLAG121fc17e5 [2024-12-06 03:33:04,590 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:33:04,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-12-06 03:33:04,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/6231fb6d7/55cf88e732884c1685d8596c9fdd75c6/FLAG121fc17e5 [2024-12-06 03:33:04,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/6231fb6d7/55cf88e732884c1685d8596c9fdd75c6 [2024-12-06 03:33:04,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:33:04,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:33:04,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:04,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:33:04,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:33:04,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b637547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04, skipping insertion in model container [2024-12-06 03:33:04,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:33:04,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:04,803 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:33:04,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:04,856 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:33:04,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04 WrapperNode [2024-12-06 03:33:04,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:04,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:04,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:33:04,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:33:04,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,892 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 212 [2024-12-06 03:33:04,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:04,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:33:04,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:33:04,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:33:04,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:33:04,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:33:04,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:33:04,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:33:04,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:04" (1/1) ... [2024-12-06 03:33:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:33:04,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:33:04,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:33:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:33:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:33:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 03:33:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 03:33:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:33:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:33:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:33:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:33:05,031 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:33:05,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:33:05,418 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-12-06 03:33:05,418 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:33:05,634 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:33:05,635 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:33:05,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:05 BoogieIcfgContainer [2024-12-06 03:33:05,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:33:05,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:33:05,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:33:05,645 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:33:05,645 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:05" (1/1) ... [2024-12-06 03:33:05,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:33:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-12-06 03:33:05,702 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-12-06 03:33:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:33:05,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:05,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 87 states and 111 transitions. [2024-12-06 03:33:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2024-12-06 03:33:05,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:05,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 90 states and 117 transitions. [2024-12-06 03:33:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2024-12-06 03:33:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:06,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2024-12-06 03:33:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2024-12-06 03:33:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:33:06,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2024-12-06 03:33:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2024-12-06 03:33:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:33:06,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2024-12-06 03:33:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2024-12-06 03:33:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:33:06,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 95 states and 122 transitions. [2024-12-06 03:33:06,257 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2024-12-06 03:33:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:33:06,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2024-12-06 03:33:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-12-06 03:33:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:33:06,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2024-12-06 03:33:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2024-12-06 03:33:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:33:06,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:33:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2024-12-06 03:33:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-12-06 03:33:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:33:06,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 99 states and 129 transitions. [2024-12-06 03:33:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2024-12-06 03:33:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:33:06,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 133 transitions. [2024-12-06 03:33:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2024-12-06 03:33:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:33:06,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 145 transitions. [2024-12-06 03:33:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2024-12-06 03:33:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:33:07,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:07,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 109 states and 147 transitions. [2024-12-06 03:33:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 147 transitions. [2024-12-06 03:33:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:33:07,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:07,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:07,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 157 transitions. [2024-12-06 03:33:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2024-12-06 03:33:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:33:07,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 119 states and 164 transitions. [2024-12-06 03:33:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2024-12-06 03:33:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:33:07,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 118 states and 162 transitions. [2024-12-06 03:33:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2024-12-06 03:33:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:33:08,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:08,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 120 states and 163 transitions. [2024-12-06 03:33:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2024-12-06 03:33:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:33:08,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:08,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 119 states and 162 transitions. [2024-12-06 03:33:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2024-12-06 03:33:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:33:08,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 119 states and 161 transitions. [2024-12-06 03:33:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2024-12-06 03:33:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:33:08,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:08,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:08,174 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:33:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:08,214 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:33:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:08,237 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 03:33:08,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:33:08 ImpRootNode [2024-12-06 03:33:08,261 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:33:08,262 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:33:08,262 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:33:08,262 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:33:08,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:05" (3/4) ... [2024-12-06 03:33:08,264 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:33:08,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:33:08,266 INFO L158 Benchmark]: Toolchain (without parser) took 3650.39ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.2MB in the beginning and 155.0MB in the end (delta: -62.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-12-06 03:33:08,266 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:08,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.99ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:33:08,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.14ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:08,267 INFO L158 Benchmark]: Boogie Preprocessor took 25.72ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 74.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:08,267 INFO L158 Benchmark]: RCFGBuilder took 716.41ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 70.2MB in the end (delta: 4.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-12-06 03:33:08,268 INFO L158 Benchmark]: CodeCheck took 2625.43ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 70.2MB in the beginning and 155.1MB in the end (delta: -84.9MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-12-06 03:33:08,268 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:08,270 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, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1289 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 784 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2105 IncrementalHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 339 mSDtfsCounter, 2105 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1989 GetRequests, 1904 SyntacticMatches, 25 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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, ConComCheckerStatistics: 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] [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=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 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.99ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.14ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.72ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 74.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 716.41ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 70.2MB in the end (delta: 4.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 2625.43ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 70.2MB in the beginning and 155.1MB in the end (delta: -84.9MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:33:08,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/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_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 03:33:10,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:33:10,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 03:33:10,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:33:10,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:33:10,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:33:10,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:33:10,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:33:10,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:33:10,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:33:10,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:33:10,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:33:10,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:33:10,338 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:33:10,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:33:10,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:33:10,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:33:10,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:33:10,338 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:33:10,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:10,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:10,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:33:10,339 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_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-12-06 03:33:10,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:33:10,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:33:10,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:33:10,563 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:33:10,564 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:33:10,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-12-06 03:33:13,225 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/66343b887/a95f51cb81f7479798871bd2b064d569/FLAG77066bb96 [2024-12-06 03:33:13,420 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:33:13,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2024-12-06 03:33:13,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/66343b887/a95f51cb81f7479798871bd2b064d569/FLAG77066bb96 [2024-12-06 03:33:13,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/data/66343b887/a95f51cb81f7479798871bd2b064d569 [2024-12-06 03:33:13,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:33:13,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:33:13,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:13,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:33:13,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:33:13,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6a60bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13, skipping insertion in model container [2024-12-06 03:33:13,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:33:13,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:13,672 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:33:13,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:13,729 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:33:13,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13 WrapperNode [2024-12-06 03:33:13,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:13,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:13,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:33:13,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:33:13,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,764 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2024-12-06 03:33:13,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:13,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:33:13,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:33:13,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:33:13,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:33:13,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:33:13,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:33:13,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:33:13,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:13" (1/1) ... [2024-12-06 03:33:13,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:13,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:33:13,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:33:13,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:33:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:33:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:33:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 03:33:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 03:33:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:33:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:33:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:33:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:33:13,917 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:33:13,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:33:14,273 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-12-06 03:33:14,273 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:33:14,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:33:14,392 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:33:14,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:14 BoogieIcfgContainer [2024-12-06 03:33:14,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:33:14,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:33:14,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:33:14,402 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:33:14,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:14" (1/1) ... [2024-12-06 03:33:14,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:33:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-12-06 03:33:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-12-06 03:33:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:33:14,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:14,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:14,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:14,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:14,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:33:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:33:14,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:14,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:33:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 104 transitions. [2024-12-06 03:33:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2024-12-06 03:33:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:33:14,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:14,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:14,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:14,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:14,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:33:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:33:14,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:14,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:33:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 83 states and 103 transitions. [2024-12-06 03:33:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2024-12-06 03:33:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:33:14,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:14,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:14,788 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:14,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:33:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 03:33:14,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:14,866 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 03:33:14,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:33:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2024-12-06 03:33:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-12-06 03:33:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:33:14,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:14,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:14,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:14,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:33:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:14,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 03:33:14,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:14,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:33:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 81 states and 101 transitions. [2024-12-06 03:33:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2024-12-06 03:33:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:33:14,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:14,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:14,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:14,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:14,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:33:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 03:33:15,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:15,036 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 03:33:15,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:33:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 100 transitions. [2024-12-06 03:33:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2024-12-06 03:33:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:33:15,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:15,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:15,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:15,045 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:15,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:33:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:33:15,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:15,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 03:33:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 84 states and 107 transitions. [2024-12-06 03:33:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-12-06 03:33:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:33:15,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:15,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:15,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:15,595 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:15,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:33:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:33:15,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:15,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:33:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2024-12-06 03:33:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-12-06 03:33:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:33:15,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:15,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:15,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:15,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:15,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:33:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:15,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:33:15,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:15,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:33:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 84 states and 107 transitions. [2024-12-06 03:33:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-12-06 03:33:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:33:15,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:15,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:15,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:15,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:33:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:16,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:16,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:33:16,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:33:16,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:33:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2024-12-06 03:33:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-12-06 03:33:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:33:16,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:16,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:16,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:16,105 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:16,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:33:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:16,180 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:33:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:16,245 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:33:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:16,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:33:16,270 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 03:33:16,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:33:16 ImpRootNode [2024-12-06 03:33:16,295 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:33:16,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:33:16,295 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:33:16,296 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:33:16,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:14" (3/4) ... [2024-12-06 03:33:16,297 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:33:16,333 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 03:33:16,376 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:33:16,376 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:33:16,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:33:16,377 INFO L158 Benchmark]: Toolchain (without parser) took 2929.67ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 30.5MB in the end (delta: 38.5MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-12-06 03:33:16,377 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:16,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.45ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 53.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:33:16,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:16,378 INFO L158 Benchmark]: Boogie Preprocessor took 28.15ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:16,378 INFO L158 Benchmark]: RCFGBuilder took 598.45ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 44.2MB in the end (delta: 6.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 03:33:16,378 INFO L158 Benchmark]: CodeCheck took 1901.72ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 35.4MB in the end (delta: 8.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-12-06 03:33:16,379 INFO L158 Benchmark]: Witness Printer took 81.01ms. Allocated memory is still 92.3MB. Free memory was 35.4MB in the beginning and 30.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:33:16,380 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, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 205 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 979 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 116 ConstructedInterpolants, 15 QuantifiedInterpolants, 193 SizeOfPredicates, 3 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - 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] [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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.45ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 53.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.15ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.45ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 44.2MB in the end (delta: 6.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 1901.72ms. Allocated memory is still 92.3MB. Free memory was 43.9MB in the beginning and 35.4MB in the end (delta: 8.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 81.01ms. Allocated memory is still 92.3MB. Free memory was 35.4MB in the beginning and 30.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:33:16,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ec3a41-7547-4704-a3b3-80ee2e25410a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)