./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/trex02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/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_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:33:00,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:33:00,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:33:00,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:33:00,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:33:00,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:33:00,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:33:00,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:33:00,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:33:00,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:33:00,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:33:00,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:33:00,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:33:00,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:33:00,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:33:00,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:33:00,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:33:00,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:33:00,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:33:00,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:33:00,390 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:33:00,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:33:00,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:33:00,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:33:00,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:33:00,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:33:00,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:33:00,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:33:00,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:33:00,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:33:00,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:33:00,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:33:00,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:33:00,401 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:33:00,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:33:00,401 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_cf40a2be-f97a-48e4-b2b3-924ebee3d138/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 [2024-11-08 23:33:00,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:33:00,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:33:00,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:33:00,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:33:00,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:33:00,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/trex02-1.c Unable to find full path for "g++" [2024-11-08 23:33:02,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:33:03,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:33:03,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/sv-benchmarks/c/loops/trex02-1.c [2024-11-08 23:33:03,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/data/77371d120/2b16fbcd39ee47a08985607f183706b9/FLAGb0bc2ed62 [2024-11-08 23:33:03,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/data/77371d120/2b16fbcd39ee47a08985607f183706b9 [2024-11-08 23:33:03,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:33:03,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:33:03,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:33:03,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:33:03,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:33:03,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eeaf898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03, skipping insertion in model container [2024-11-08 23:33:03,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:33:03,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:33:03,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:33:03,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:33:03,536 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:33:03,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03 WrapperNode [2024-11-08 23:33:03,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:33:03,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:33:03,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:33:03,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:33:03,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,572 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2024-11-08 23:33:03,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:33:03,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:33:03,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:33:03,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:33:03,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:33:03,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:33:03,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:33:03,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:33:03,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:03" (1/1) ... [2024-11-08 23:33:03,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:33:03,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:33:03,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:33:03,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:33:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:33:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-11-08 23:33:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-11-08 23:33:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:33:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:33:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:33:03,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:33:03,796 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:33:03,955 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:33:03,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:33:04,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:33:04,004 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:33:04,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:04 BoogieIcfgContainer [2024-11-08 23:33:04,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:33:04,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:33:04,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:33:04,025 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:33:04,026 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:04" (1/1) ... [2024-11-08 23:33:04,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:33:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:33:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:33:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:33:04,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:04,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:04,444 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 23:33:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 20 transitions. [2024-11-08 23:33:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 23:33:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:33:04,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:04,761 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 23:33:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 16 transitions. [2024-11-08 23:33:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 23:33:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:33:04,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:04,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:04,946 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 23:33:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 27 transitions. [2024-11-08 23:33:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-08 23:33:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:33:05,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:05,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:05,243 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 23:33:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 28 transitions. [2024-11-08 23:33:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-08 23:33:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:33:05,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:05,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:33:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:33:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 13 states and 15 transitions. [2024-11-08 23:33:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 23:33:06,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:33:06,225 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 23:33:06,239 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 23:33:06,448 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: (not (and (not (= |foo_#t~post4| |old(~x~0)|)) (<= |foo_#t~post4| 2147483647))) [2024-11-08 23:33:06,448 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 19) the Hoare annotation is: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) [2024-11-08 23:33:06,448 INFO L77 FloydHoareUtils]: At program point fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) the Hoare annotation is: true [2024-11-08 23:33:06,449 INFO L77 FloydHoareUtils]: At program point fooEXIT(lines 17 19) the Hoare annotation is: true [2024-11-08 23:33:06,449 INFO L75 FloydHoareUtils]: For program point fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-11-08 23:33:06,449 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (or (and (= |foo_#t~post4| |old(~x~0)|) (<= 1 |foo_#t~post4|)) (< 2147483647 |foo_#t~post4|)) [2024-11-08 23:33:06,450 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:33:06,450 INFO L77 FloydHoareUtils]: At program point L25(lines 25 26) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 23:33:06,450 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 23:33:06,450 INFO L77 FloydHoareUtils]: At program point L23-1(lines 23 27) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 23:33:06,451 INFO L77 FloydHoareUtils]: At program point L23-3(lines 23 27) the Hoare annotation is: true [2024-11-08 23:33:06,451 INFO L77 FloydHoareUtils]: At program point L23-4(lines 23 27) the Hoare annotation is: true [2024-11-08 23:33:06,451 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:33:06,451 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 23:33:06,451 INFO L77 FloydHoareUtils]: At program point L26-1(lines 25 26) the Hoare annotation is: true [2024-11-08 23:33:06,495 WARN L162 FloydHoareUtils]: Requires clause for foo contained old-variable. Original clause: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) Eliminated clause: (< 0 ~x~0) [2024-11-08 23:33:06,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:33:06 ImpRootNode [2024-11-08 23:33:06,508 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:33:06,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:33:06,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:33:06,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:33:06,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:04" (3/4) ... [2024-11-08 23:33:06,514 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:33:06,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2024-11-08 23:33:06,526 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-08 23:33:06,526 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:33:06,526 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:33:06,527 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:33:06,619 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:33:06,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:33:06,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:33:06,621 INFO L158 Benchmark]: Toolchain (without parser) took 3390.64ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 85.5MB in the beginning and 121.6MB in the end (delta: -36.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-08 23:33:06,621 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:33:06,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.83ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 73.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:33:06,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.60ms. Allocated memory is still 140.5MB. Free memory was 73.5MB in the beginning and 72.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:33:06,623 INFO L158 Benchmark]: Boogie Preprocessor took 30.68ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 71.1MB in the end (delta: 732.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:33:06,623 INFO L158 Benchmark]: RCFGBuilder took 404.16ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 70.8MB in the beginning and 156.0MB in the end (delta: -85.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:33:06,624 INFO L158 Benchmark]: CodeCheck took 2498.09ms. Allocated memory is still 190.8MB. Free memory was 156.0MB in the beginning and 125.8MB in the end (delta: 30.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-08 23:33:06,624 INFO L158 Benchmark]: Witness Printer took 110.33ms. Allocated memory is still 190.8MB. Free memory was 125.8MB in the beginning and 121.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:33:06,627 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 73 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 355 SyntacticMatches, 21 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 4/7 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 17]: Procedure Contract for foo Derived contract for procedure foo. Requires: (0 < x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.83ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 73.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.60ms. Allocated memory is still 140.5MB. Free memory was 73.5MB in the beginning and 72.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.68ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 71.1MB in the end (delta: 732.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.16ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 70.8MB in the beginning and 156.0MB in the end (delta: -85.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2498.09ms. Allocated memory is still 190.8MB. Free memory was 156.0MB in the beginning and 125.8MB in the end (delta: 30.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 110.33ms. Allocated memory is still 190.8MB. Free memory was 125.8MB in the beginning and 121.6MB 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 23:33:06,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40a2be-f97a-48e4-b2b3-924ebee3d138/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE