./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/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_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/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_e1fa611c-690e-4ec3-bf08-d00484c75b66/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 30d70cf2197e08977a52494fd2970e41435b4a438b2b1792b181b4b6cf10a827 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:43:44,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:43:45,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:43:45,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:43:45,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:43:45,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:43:45,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:43:45,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:43:45,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:43:45,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:43:45,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:43:45,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:43:45,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:43:45,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:43:45,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:43:45,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:43:45,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:43:45,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:43:45,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:43:45,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:43:45,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:43:45,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:43:45,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:43:45,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:43:45,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:43:45,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:43:45,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:45,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:43:45,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:43:45,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:43:45,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:43:45,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:43:45,106 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_e1fa611c-690e-4ec3-bf08-d00484c75b66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d70cf2197e08977a52494fd2970e41435b4a438b2b1792b181b4b6cf10a827 [2024-11-08 19:43:45,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:43:45,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:43:45,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:43:45,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:43:45,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:43:45,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c Unable to find full path for "g++" [2024-11-08 19:43:47,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:43:47,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:43:47,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/sv-benchmarks/c/termination-restricted-15/b.03_assume.c [2024-11-08 19:43:47,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/data/9699896f0/629f8bb821bd4906a1e0103e2cb186cc/FLAG79eb3c02f [2024-11-08 19:43:47,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/data/9699896f0/629f8bb821bd4906a1e0103e2cb186cc [2024-11-08 19:43:47,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:43:47,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:43:47,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:47,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:43:47,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:43:47,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544b534a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47, skipping insertion in model container [2024-11-08 19:43:47,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:43:47,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:47,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:43:47,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:43:47,798 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:43:47,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47 WrapperNode [2024-11-08 19:43:47,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:43:47,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:47,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:43:47,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:43:47,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,833 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-08 19:43:47,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:43:47,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:43:47,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:43:47,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:43:47,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:43:47,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:43:47,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:43:47,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:43:47,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:47" (1/1) ... [2024-11-08 19:43:47,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:43:47,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:43:47,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:43:47,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:43:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:43:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:43:48,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:43:48,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:43:48,095 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 19:43:48,095 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:43:48,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:43:48,119 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:43:48,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:48 BoogieIcfgContainer [2024-11-08 19:43:48,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:43:48,121 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:43:48,121 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:43:48,131 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:43:48,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:48" (1/1) ... [2024-11-08 19:43:48,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:43:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 19:43:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 19:43:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:43:48,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:48,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 19:43:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 19:43:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:43:48,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:48,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 19:43:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 19:43:48,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:43:48,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:48,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 19:43:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 19:43:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:43:48,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:48,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 19:43:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 19:43:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:43:49,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:49,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-08 19:43:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-08 19:43:50,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:43:50,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:50,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:43:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-08 19:43:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-08 19:43:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:43:50,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:50,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:43:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2024-11-08 19:43:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-08 19:43:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:43:52,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 19:43:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 19:43:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 19:43:52,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:43:52,197 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 19:43:52,206 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 19:43:52,568 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2024-11-08 19:43:52,568 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:43:52,568 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-08 19:43:52,568 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:43:52,569 INFO L77 FloydHoareUtils]: At program point L9-1(line 9) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (or (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0 (< .cse1 0)) (and .cse0 (<= 0 .cse1) (or (< 0 |ULTIMATE.start_main_~x~0#1|) (not |ULTIMATE.start_main_#t~short2#1|))))) [2024-11-08 19:43:52,569 INFO L77 FloydHoareUtils]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 .cse1)) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0 (< .cse1 0)))) [2024-11-08 19:43:52,569 INFO L77 FloydHoareUtils]: At program point L9-3(line 9) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 .cse1)) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0 (< .cse1 0)))) [2024-11-08 19:43:52,570 INFO L77 FloydHoareUtils]: At program point L9-5(lines 9 11) the Hoare annotation is: (or (and (< (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483648) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483648))) (not |ULTIMATE.start_main_#t~short2#1|)) [2024-11-08 19:43:52,570 INFO L77 FloydHoareUtils]: At program point L9-7(lines 9 11) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647))) (or (and .cse0 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483646)) .cse0))) [2024-11-08 19:43:52,570 INFO L77 FloydHoareUtils]: At program point L9-8(lines 9 11) the Hoare annotation is: true [2024-11-08 19:43:52,570 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2024-11-08 19:43:52,570 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-08 19:43:52,571 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) [2024-11-08 19:43:52,571 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) [2024-11-08 19:43:52,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:43:52 ImpRootNode [2024-11-08 19:43:52,583 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:43:52,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:43:52,584 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:43:52,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:43:52,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:48" (3/4) ... [2024-11-08 19:43:52,587 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:43:52,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 19:43:52,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:43:52,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 19:43:52,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:43:52,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:43:52,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:43:52,707 INFO L158 Benchmark]: Toolchain (without parser) took 5156.50ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 127.0MB in the beginning and 73.3MB in the end (delta: 53.8MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,707 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:43:52,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.55ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 115.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.47ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 114.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:43:52,708 INFO L158 Benchmark]: Boogie Preprocessor took 19.95ms. Allocated memory is still 161.5MB. Free memory was 114.6MB in the beginning and 113.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,709 INFO L158 Benchmark]: RCFGBuilder took 264.64ms. Allocated memory is still 161.5MB. Free memory was 113.5MB in the beginning and 103.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,709 INFO L158 Benchmark]: CodeCheck took 4462.63ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 103.0MB in the beginning and 78.5MB in the end (delta: 24.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,709 INFO L158 Benchmark]: Witness Printer took 120.94ms. Allocated memory is still 201.3MB. Free memory was 77.4MB in the beginning and 73.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:43:52,715 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: 4.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 607 IncrementalHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 44 mSDtfsCounter, 607 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 468 SyntacticMatches, 30 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3560 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 16/22 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: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.55ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 115.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.47ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 114.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.95ms. Allocated memory is still 161.5MB. Free memory was 114.6MB in the beginning and 113.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.64ms. Allocated memory is still 161.5MB. Free memory was 113.5MB in the beginning and 103.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4462.63ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 103.0MB in the beginning and 78.5MB in the end (delta: 24.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 120.94ms. Allocated memory is still 201.3MB. Free memory was 77.4MB in the beginning and 73.3MB 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! [2024-11-08 19:43:52,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1fa611c-690e-4ec3-bf08-d00484c75b66/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