./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB17.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_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/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_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/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_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/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 5d77ccce06a5eb83fb368250e0baa3072703c85ca9ba919f17c4260cdb623930 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:33,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:33,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:59:33,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:59:33,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:59:33,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:33,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:59:33,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:59:33,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:33,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:33,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:33,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:59:33,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:33,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:33,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:59:33,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:33,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:59:33,605 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:33,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:59:33,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:59:33,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:59:33,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:33,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:33,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:33,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:33,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:33,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:33,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:33,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:33,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:59:33,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:59:33,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:59:33,613 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_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d77ccce06a5eb83fb368250e0baa3072703c85ca9ba919f17c4260cdb623930 [2024-11-08 22:59:33,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:33,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:33,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:33,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:33,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:33,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-restricted-15/PastaB17.c Unable to find full path for "g++" [2024-11-08 22:59:35,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:36,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:36,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/sv-benchmarks/c/termination-restricted-15/PastaB17.c [2024-11-08 22:59:36,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/data/369d1722e/ed180a45164448d9b6b958fc1ae98d7d/FLAGd91f3048f [2024-11-08 22:59:36,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/data/369d1722e/ed180a45164448d9b6b958fc1ae98d7d [2024-11-08 22:59:36,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:36,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:36,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:36,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:36,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:36,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159efec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36, skipping insertion in model container [2024-11-08 22:59:36,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:36,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:36,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:36,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:36,780 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:36,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36 WrapperNode [2024-11-08 22:59:36,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:36,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:36,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:36,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:36,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,805 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-08 22:59:36,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:36,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:36,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:36,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:36,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:36,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:36,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:36,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:36,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:36,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:36,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:36,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:36,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:36,962 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:36,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:37,085 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:37,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:37,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:37,109 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:37,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:37 BoogieIcfgContainer [2024-11-08 22:59:37,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:37,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:37,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:37,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:37,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:37" (1/1) ... [2024-11-08 22:59:37,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 22:59:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 22:59:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:59:37,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:37,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,423 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 22:59:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 22:59:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 22:59:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:59:37,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:37,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,606 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 22:59:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-11-08 22:59:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-11-08 22:59:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:59:37,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,887 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 22:59:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-08 22:59:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-08 22:59:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:59:37,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:37,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:38,054 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 22:59:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-08 22:59:38,389 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-08 22:59:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:59:38,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:38,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:38,449 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 22:59:39,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-11-08 22:59:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-11-08 22:59:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:59:39,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:39,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:59:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2024-11-08 22:59:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-11-08 22:59:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:59:39,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:39,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:59:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2024-11-08 22:59:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2024-11-08 22:59:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:59:39,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:59:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2024-11-08 22:59:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-11-08 22:59:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:59:40,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:59:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2024-11-08 22:59:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-08 22:59:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:59:40,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:40,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 22:59:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 22:59:41,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:59:41,329 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-08 22:59:41,342 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:59:41,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-08 22:59:41,488 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:59:41,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-08 22:59:41,489 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1))) [2024-11-08 22:59:41,489 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 22:59:41,489 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 22:59:41,490 INFO L77 FloydHoareUtils]: At program point L13-1(lines 13 18) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 22:59:41,490 INFO L77 FloydHoareUtils]: At program point L13-3(lines 13 18) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647))) (or (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) .cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) (and .cse0 (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)) (< 2147483647 |ULTIMATE.start_main_~y~0#1|)))) [2024-11-08 22:59:41,490 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:59:41,490 INFO L77 FloydHoareUtils]: At program point L13-4(lines 13 18) the Hoare annotation is: true [2024-11-08 22:59:41,491 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-08 22:59:41,491 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-08 22:59:41,491 INFO L77 FloydHoareUtils]: At program point L14-1(lines 14 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= (+ |ULTIMATE.start_main_~z~0#1| 1) |ULTIMATE.start_main_~y~0#1|)) [2024-11-08 22:59:41,492 INFO L77 FloydHoareUtils]: At program point L14-3(lines 14 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-08 22:59:41,492 INFO L77 FloydHoareUtils]: At program point L14-4(lines 14 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|))) [2024-11-08 22:59:41,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:41 ImpRootNode [2024-11-08 22:59:41,513 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:41,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:41,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:41,514 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:41,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:37" (3/4) ... [2024-11-08 22:59:41,518 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:59:41,529 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 22:59:41,530 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:59:41,531 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:59:41,615 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:59:41,615 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:59:41,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:41,616 INFO L158 Benchmark]: Toolchain (without parser) took 5083.50ms. Allocated memory was 176.2MB in the beginning and 232.8MB in the end (delta: 56.6MB). Free memory was 136.0MB in the beginning and 91.1MB in the end (delta: 44.9MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,617 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 176.2MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:41,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.76ms. Allocated memory is still 176.2MB. Free memory was 135.4MB in the beginning and 124.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.35ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 122.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,618 INFO L158 Benchmark]: Boogie Preprocessor took 17.68ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 121.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:41,618 INFO L158 Benchmark]: RCFGBuilder took 285.71ms. Allocated memory is still 176.2MB. Free memory was 121.8MB in the beginning and 111.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,619 INFO L158 Benchmark]: CodeCheck took 4401.71ms. Allocated memory was 176.2MB in the beginning and 232.8MB in the end (delta: 56.6MB). Free memory was 111.9MB in the beginning and 95.8MB in the end (delta: 16.1MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,619 INFO L158 Benchmark]: Witness Printer took 102.21ms. Allocated memory is still 232.8MB. Free memory was 95.8MB in the beginning and 91.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:59:41,621 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 186 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1110 IncrementalHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 186 mSolverCounterUnsat, 58 mSDtfsCounter, 1110 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 801 GetRequests, 686 SyntacticMatches, 25 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3058 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 7/12 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: 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 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 13]: Loop Invariant Derived loop invariant: ((((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y <= 2147483647)) || (((x <= 2147483647) && (y < ((long) z + 1))) && (2147483647 < y))) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((0 <= (z + 2147483648)) && (x <= 2147483647)) && (0 <= ((long) 2147483647 + x))) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 176.2MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.76ms. Allocated memory is still 176.2MB. Free memory was 135.4MB in the beginning and 124.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.35ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 122.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.68ms. Allocated memory is still 176.2MB. Free memory was 122.9MB in the beginning and 121.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.71ms. Allocated memory is still 176.2MB. Free memory was 121.8MB in the beginning and 111.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4401.71ms. Allocated memory was 176.2MB in the beginning and 232.8MB in the end (delta: 56.6MB). Free memory was 111.9MB in the beginning and 95.8MB in the end (delta: 16.1MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Witness Printer took 102.21ms. Allocated memory is still 232.8MB. Free memory was 95.8MB in the beginning and 91.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:59:41,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77992a7-3c8f-4efb-ab8d-19e0bf16230f/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