./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/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_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/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 64bit --witnessprinter.graph.data.programhash 00dc17c984df5ef18e52428a0e023f5c7f435e241bde642a6a36d0c35bef02ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:19,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:19,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:06:19,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:06:19,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:06:19,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:19,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:19,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:19,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:19,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:19,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:19,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:19,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:06:19,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:19,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:19,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:19,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:19,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:19,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:06:19,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:06:19,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:19,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:19,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:19,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:19,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:19,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:19,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:19,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:19,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:19,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:19,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:06:19,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:06:19,764 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_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00dc17c984df5ef18e52428a0e023f5c7f435e241bde642a6a36d0c35bef02ae [2024-11-09 00:06:20,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:20,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:20,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:20,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:20,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:20,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-restricted-15/c.03.c Unable to find full path for "g++" [2024-11-09 00:06:22,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:06:22,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:06:22,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/sv-benchmarks/c/termination-restricted-15/c.03.c [2024-11-09 00:06:22,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/data/e40a7cd5c/10511308f3f449b0a5c1306b188b7c47/FLAG1df3cab25 [2024-11-09 00:06:22,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/data/e40a7cd5c/10511308f3f449b0a5c1306b188b7c47 [2024-11-09 00:06:22,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:06:22,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:06:22,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:22,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:06:22,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:06:22,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7851b938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22, skipping insertion in model container [2024-11-09 00:06:22,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:06:22,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:22,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:06:22,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:22,928 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:06:22,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22 WrapperNode [2024-11-09 00:06:22,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:22,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:22,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:06:22,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:06:22,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,959 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-09 00:06:22,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:22,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:06:22,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:06:22,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:06:22,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:06:22,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:06:22,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:06:22,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:06:22,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:22" (1/1) ... [2024-11-09 00:06:22,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:06:23,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:06:23,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:06:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:06:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:06:23,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:06:23,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:06:23,231 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:06:23,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:06:23,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:06:23,254 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:06:23,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:23 BoogieIcfgContainer [2024-11-09 00:06:23,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:06:23,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:06:23,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:06:23,266 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:06:23,267 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:06:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-09 00:06:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 00:06:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:06:23,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:23,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:23,547 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 00:06:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:06:23,671 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:06:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:06:23,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:23,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:23,753 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 00:06:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-09 00:06:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-09 00:06:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:06:23,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:23,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:24,031 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 00:06:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2024-11-09 00:06:24,276 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-11-09 00:06:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:06:24,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:24,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:24,374 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 00:06:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2024-11-09 00:06:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2024-11-09 00:06:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:06:24,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:24,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-11-09 00:06:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-11-09 00:06:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:06:25,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:25,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 00:06:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2024-11-09 00:06:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2024-11-09 00:06:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:06:25,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-11-09 00:06:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-11-09 00:06:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:06:25,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:25,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 00:06:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-11-09 00:06:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-11-09 00:06:25,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:06:25,522 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-09 00:06:25,534 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-09 00:06:25,623 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-09 00:06:25,623 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:06:25,624 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-09 00:06:25,624 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~z~0#1| 2147483646)) [2024-11-09 00:06:25,624 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~z~0#1| 2147483646)) [2024-11-09 00:06:25,624 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-09 00:06:25,625 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-09 00:06:25,625 INFO L77 FloydHoareUtils]: At program point L11-1(lines 11 17) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~z~0#1| 2147483646)) [2024-11-09 00:06:25,625 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:06:25,625 INFO L77 FloydHoareUtils]: At program point L11-3(lines 11 17) the Hoare annotation is: true [2024-11-09 00:06:25,625 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-09 00:06:25,626 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-09 00:06:25,626 INFO L77 FloydHoareUtils]: At program point L12(lines 12 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~z~0#1| 2147483646)) [2024-11-09 00:06:25,626 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-11-09 00:06:25,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:06:25 ImpRootNode [2024-11-09 00:06:25,642 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:06:25,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:06:25,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:06:25,643 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:06:25,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:23" (3/4) ... [2024-11-09 00:06:25,647 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:06:25,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:06:25,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:06:25,654 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 00:06:25,748 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:06:25,749 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:06:25,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:06:25,750 INFO L158 Benchmark]: Toolchain (without parser) took 3079.62ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 108.2MB in the beginning and 182.4MB in the end (delta: -74.2MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-11-09 00:06:25,750 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:06:25,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.89ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 97.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:06:25,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.57ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 95.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:06:25,751 INFO L158 Benchmark]: Boogie Preprocessor took 16.24ms. Allocated memory is still 146.8MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:25,752 INFO L158 Benchmark]: RCFGBuilder took 277.84ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 84.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:06:25,752 INFO L158 Benchmark]: CodeCheck took 2386.88ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 84.5MB in the beginning and 110.1MB in the end (delta: -25.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:25,753 INFO L158 Benchmark]: Witness Printer took 106.42ms. Allocated memory is still 213.9MB. Free memory was 110.1MB in the beginning and 182.4MB in the end (delta: -72.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-09 00:06:25,755 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 754 IncrementalHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 0 mSDtfsCounter, 754 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 566 GetRequests, 496 SyntacticMatches, 30 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((0 <= (z + 2147483648)) && (0 <= (x + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.89ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 97.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.57ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 95.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.24ms. Allocated memory is still 146.8MB. Free memory was 95.5MB in the beginning and 94.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.84ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 84.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2386.88ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 84.5MB in the beginning and 110.1MB in the end (delta: -25.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 106.42ms. Allocated memory is still 213.9MB. Free memory was 110.1MB in the beginning and 182.4MB in the end (delta: -72.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:06:25,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b5e3352-3fbb-4c23-9e78-dde8ad686f86/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