./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk --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 bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:02:38,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:38,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:02:38,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:02:38,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:02:38,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:38,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:38,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:38,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:38,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:38,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:38,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:38,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:02:38,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:02:38,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:02:38,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:38,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:38,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:38,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:38,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:38,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:02:38,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:02:38,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:02:38,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:38,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:38,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:38,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:38,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:38,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:38,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:38,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:38,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:38,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:38,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:02:38,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:02:38,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2024-11-09 00:02:39,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:39,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:39,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:39,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:39,111 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:39,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/num_conversion_1.c Unable to find full path for "g++" [2024-11-09 00:02:41,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:41,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:41,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/sv-benchmarks/c/bitvector/num_conversion_1.c [2024-11-09 00:02:41,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data/414f7f6f6/8fd6a83c59fc4421bc87941120309423/FLAG466afe069 [2024-11-09 00:02:41,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data/414f7f6f6/8fd6a83c59fc4421bc87941120309423 [2024-11-09 00:02:41,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:41,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:41,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:41,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:41,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:41,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2ecae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41, skipping insertion in model container [2024-11-09 00:02:41,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:41,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:41,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:41,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:41,549 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:41,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41 WrapperNode [2024-11-09 00:02:41,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:41,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:41,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:41,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:41,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,585 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-09 00:02:41,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:41,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:41,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:41,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:41,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:41,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:41,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:41,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:41,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:41,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:41,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:02:41,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:41,768 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:42,028 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:42,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:42,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:42,125 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:02:42,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:42 BoogieIcfgContainer [2024-11-09 00:02:42,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:42,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:42,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:42,141 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:42,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:42" (1/1) ... [2024-11-09 00:02:42,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-09 00:02:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-09 00:02:42,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:02:42,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:42,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-09 00:02:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-09 00:02:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:42,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:42,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-09 00:02:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-09 00:02:42,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:42,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:42,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2024-11-09 00:02:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-09 00:02:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:43,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:43,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-09 00:02:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-09 00:02:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:43,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:43,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-09 00:02:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-09 00:02:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:43,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-09 00:02:43,182 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-09 00:02:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:43,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:43,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-09 00:02:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-09 00:02:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:02:43,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:43,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:43,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:02:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:43,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:02:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:02:43,360 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-11-09 00:02:43,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:02:43 ImpRootNode [2024-11-09 00:02:43,396 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:02:43,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:02:43,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:02:43,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:02:43,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:42" (3/4) ... [2024-11-09 00:02:43,402 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:02:43,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:02:43,405 INFO L158 Benchmark]: Toolchain (without parser) took 2132.45ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 102.0MB in the beginning and 124.2MB in the end (delta: -22.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:43,406 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:43,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.20ms. Allocated memory is still 144.7MB. Free memory was 102.0MB in the beginning and 89.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:02:43,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.06ms. Allocated memory is still 144.7MB. Free memory was 89.7MB in the beginning and 87.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:43,409 INFO L158 Benchmark]: Boogie Preprocessor took 24.03ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 86.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:43,410 INFO L158 Benchmark]: RCFGBuilder took 514.64ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 70.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:02:43,413 INFO L158 Benchmark]: CodeCheck took 1269.96ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 70.0MB in the beginning and 124.2MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:43,413 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 192.9MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:43,418 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 1 procedures, 20 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 39 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 32, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L24] unsigned char x; [L25] unsigned char y; [L26] unsigned char c; [L28] x = 37 [L29] y = 0 [L30] c = 0 VAL [c=0, x=37, y=0] [L31] COND FALSE !(c < (unsigned char)8) VAL [c=0, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=0, x=37, y=0] [L32] EXPR ((unsigned char)1) << c [L32] unsigned char i = ((unsigned char)1) << c; [L33] EXPR x & i [L33] unsigned char bit = x & i; [L34] COND FALSE !(bit != (unsigned char)0) VAL [c=0, i=1, x=37, y=0] [L37] EXPR c + ((unsigned char)1) [L37] c = c + ((unsigned char)1) [L31] COND FALSE !(c < (unsigned char)8) VAL [c=1, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=1, x=37, y=0] [L32] ((unsigned char)1) << c VAL [c=1, x=37, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.20ms. Allocated memory is still 144.7MB. Free memory was 102.0MB in the beginning and 89.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.06ms. Allocated memory is still 144.7MB. Free memory was 89.7MB in the beginning and 87.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.03ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 86.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.64ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 70.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1269.96ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 70.0MB in the beginning and 124.2MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 192.9MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:02:43,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk --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 bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:02:45,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:45,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-09 00:02:45,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:45,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:45,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:45,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:45,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:45,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:45,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:45,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:02:45,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:02:45,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:45,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:45,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:45,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:45,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:02:46,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:02:46,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:46,000 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:02:46,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:02:46,005 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:02:46,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:02:46,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:46,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:46,006 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:46,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:46,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:46,007 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:46,007 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:02:46,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:46,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:46,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:46,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:46,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:46,012 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:02:46,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:46,012 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:02:46,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2024-11-09 00:02:46,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:46,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:46,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:46,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:46,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:46,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/num_conversion_1.c Unable to find full path for "g++" [2024-11-09 00:02:48,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:48,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:48,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/sv-benchmarks/c/bitvector/num_conversion_1.c [2024-11-09 00:02:48,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data/aa71b7b06/dab6866e8725487991c938857eef8bd5/FLAG9b62f0f6e [2024-11-09 00:02:49,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/data/aa71b7b06/dab6866e8725487991c938857eef8bd5 [2024-11-09 00:02:49,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:49,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:49,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:49,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:49,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:49,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653b26be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49, skipping insertion in model container [2024-11-09 00:02:49,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:49,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:49,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:49,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:49,366 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:49,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49 WrapperNode [2024-11-09 00:02:49,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:49,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:49,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:49,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:49,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,405 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-09 00:02:49,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:49,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:49,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:49,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:49,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:49,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:49,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:49,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:49,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:49,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:49,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:49,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:02:49,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:49,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:49,888 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:49,889 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:49,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:49,948 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:02:49,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:49 BoogieIcfgContainer [2024-11-09 00:02:49,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:49,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:49,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:49,960 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:49,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:49" (1/1) ... [2024-11-09 00:02:49,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-09 00:02:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-09 00:02:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:02:50,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:02:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-09 00:02:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-09 00:02:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:50,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:02:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,346 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:02:50,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:02:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-09 00:02:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-09 00:02:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:50,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:02:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:02:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-09 00:02:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-09 00:02:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:50,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:02:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,662 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:02:50,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-09 00:02:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-09 00:02:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:50,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:02:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,743 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,769 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:02:50,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:02:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-09 00:02:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-09 00:02:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:50,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:02:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:02:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:02:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:50,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:50,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:50,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:50,888 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:50,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:02:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:50,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-09 00:02:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-09 00:02:50,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:02:50,984 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-09 00:02:50,996 INFO L729 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2024-11-09 00:02:51,029 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-11-09 00:02:51,029 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:02:51,029 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2024-11-09 00:02:51,029 INFO L77 FloydHoareUtils]: At program point L31-1(lines 31 38) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-11-09 00:02:51,030 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2024-11-09 00:02:51,030 INFO L77 FloydHoareUtils]: At program point L31-3(lines 31 38) the Hoare annotation is: true [2024-11-09 00:02:51,030 INFO L77 FloydHoareUtils]: At program point L31-4(lines 31 38) the Hoare annotation is: true [2024-11-09 00:02:51,030 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:02:51,031 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2024-11-09 00:02:51,031 INFO L77 FloydHoareUtils]: At program point L34(lines 34 36) the Hoare annotation is: true [2024-11-09 00:02:51,031 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-11-09 00:02:51,031 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 36) the Hoare annotation is: true [2024-11-09 00:02:51,032 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-11-09 00:02:51,032 INFO L77 FloydHoareUtils]: At program point L32-1(line 32) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-11-09 00:02:51,033 INFO L77 FloydHoareUtils]: At program point L32-2(line 32) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv8 32)) [2024-11-09 00:02:51,033 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2024-11-09 00:02:51,034 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2024-11-09 00:02:51,034 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-09 00:02:51,034 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-11-09 00:02:51,034 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-09 00:02:51,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:02:51 ImpRootNode [2024-11-09 00:02:51,048 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:02:51,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:02:51,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:02:51,049 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:02:51,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:49" (3/4) ... [2024-11-09 00:02:51,053 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:02:51,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:02:51,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:02:51,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:02:51,066 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:02:51,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:02:51,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:02:51,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:02:51,159 INFO L158 Benchmark]: Toolchain (without parser) took 2118.25ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 55.2MB in the beginning and 54.9MB in the end (delta: 354.1kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-09 00:02:51,159 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:51,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.24ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 42.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:02:51,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.18ms. Allocated memory is still 79.7MB. Free memory was 42.4MB in the beginning and 40.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:51,160 INFO L158 Benchmark]: Boogie Preprocessor took 36.96ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 39.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:51,160 INFO L158 Benchmark]: RCFGBuilder took 503.71ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 52.2MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:02:51,161 INFO L158 Benchmark]: CodeCheck took 1098.87ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 59.0MB in the end (delta: -6.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-09 00:02:51,161 INFO L158 Benchmark]: Witness Printer took 108.86ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 54.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:02:51,163 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 1 procedures, 20 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 39 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 161 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.24ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 42.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.18ms. Allocated memory is still 79.7MB. Free memory was 42.4MB in the beginning and 40.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.96ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 39.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.71ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 52.2MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1098.87ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 59.0MB in the end (delta: -6.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 108.86ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 54.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:02:51,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade94687-2bac-4f09-b007-b343ae2b94d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE