./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV --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 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:11,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:11,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:54:11,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:11,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:11,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:11,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:11,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:11,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:11,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:11,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:11,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:11,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:11,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:11,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:11,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:11,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:11,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:11,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:11,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:11,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:11,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:11,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:11,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:11,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:11,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:11,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:11,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:11,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:11,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:11,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:11,386 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_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc [2023-11-11 23:54:11,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:11,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:11,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:11,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:11,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:11,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2023-11-11 23:54:15,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:15,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:15,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2023-11-11 23:54:15,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/data/ddf428097/3fffa3b92b4b49e0a4ed9893735f2c4a/FLAG9fbd48ba7 [2023-11-11 23:54:15,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/data/ddf428097/3fffa3b92b4b49e0a4ed9893735f2c4a [2023-11-11 23:54:15,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:15,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:15,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:15,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:15,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:15,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f801588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15, skipping insertion in model container [2023-11-11 23:54:15,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:15,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:15,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:15,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:15,575 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:15,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15 WrapperNode [2023-11-11 23:54:15,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:15,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:15,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:15,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:15,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,611 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-11 23:54:15,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:15,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:15,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:15,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:15,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:15,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:15,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:15,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:15,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:15" (1/1) ... [2023-11-11 23:54:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:15,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:15,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:15,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:15,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:16,014 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:16,058 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:16,059 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:54:16,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:16 BoogieIcfgContainer [2023-11-11 23:54:16,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:16,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:16,065 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:16,077 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:16,078 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:16" (1/1) ... [2023-11-11 23:54:16,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:54:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-11 23:54:16,185 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-11 23:54:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:54:16,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:16,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2023-11-11 23:54:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-11-11 23:54:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:54:16,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:16,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2023-11-11 23:54:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2023-11-11 23:54:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:54:16,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:16,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-11 23:54:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-11 23:54:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:54:16,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-11 23:54:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-11 23:54:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:17,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2023-11-11 23:54:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2023-11-11 23:54:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:18,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:18,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-11 23:54:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-11 23:54:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:18,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:18,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:54:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2023-11-11 23:54:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2023-11-11 23:54:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:54:19,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:19,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:54:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2023-11-11 23:54:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-11-11 23:54:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:54:19,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:19,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:54:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2023-11-11 23:54:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-11 23:54:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:54:20,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:54:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-11 23:54:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-11 23:54:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:54:22,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:54:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2023-11-11 23:54:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-11-11 23:54:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:54:22,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:22,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:54:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2023-11-11 23:54:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2023-11-11 23:54:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:54:25,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:54:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2023-11-11 23:54:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2023-11-11 23:54:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:54:25,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:54:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2023-11-11 23:54:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2023-11-11 23:54:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:54:26,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:26,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:54:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2023-11-11 23:54:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2023-11-11 23:54:27,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:54:27,372 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2023-11-11 23:54:27,382 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-11 23:54:27,669 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-11 23:54:27,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:54:27 ImpRootNode [2023-11-11 23:54:27,678 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:54:27,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:54:27,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:54:27,680 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:54:27,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:16" (3/4) ... [2023-11-11 23:54:27,682 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:54:27,689 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-11 23:54:27,690 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-11 23:54:27,690 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:54:27,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:54:27,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:54:27,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:54:27,782 INFO L158 Benchmark]: Toolchain (without parser) took 12440.89ms. Allocated memory was 134.2MB in the beginning and 207.6MB in the end (delta: 73.4MB). Free memory was 95.7MB in the beginning and 113.0MB in the end (delta: -17.3MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:27,782 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:27,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.15ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 86.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:27,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 84.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:27,784 INFO L158 Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 134.2MB. Free memory was 84.6MB in the beginning and 83.7MB in the end (delta: 901.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:27,784 INFO L158 Benchmark]: RCFGBuilder took 425.44ms. Allocated memory is still 134.2MB. Free memory was 83.7MB in the beginning and 74.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:27,785 INFO L158 Benchmark]: CodeCheck took 11613.50ms. Allocated memory was 134.2MB in the beginning and 207.6MB in the end (delta: 73.4MB). Free memory was 74.3MB in the beginning and 117.2MB in the end (delta: -42.9MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-11 23:54:27,785 INFO L158 Benchmark]: Witness Printer took 102.09ms. Allocated memory is still 207.6MB. Free memory was 117.2MB in the beginning and 113.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:27,787 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 790 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 679 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2914 IncrementalHoareTripleChecker+Invalid, 3535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 621 mSolverCounterUnsat, 105 mSDtfsCounter, 2914 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2111 GetRequests, 1823 SyntacticMatches, 94 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16673 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 130/248 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 18]: Loop Invariant Derived loop invariant: ((((j <= 2147483648) && (N == i)) && (N <= 2147483647)) || ((((N <= 2147483648) && (j <= 2147483648)) && (i <= 2147483647)) && (1 <= N))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.15ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 86.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 84.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.99ms. Allocated memory is still 134.2MB. Free memory was 84.6MB in the beginning and 83.7MB in the end (delta: 901.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.44ms. Allocated memory is still 134.2MB. Free memory was 83.7MB in the beginning and 74.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11613.50ms. Allocated memory was 134.2MB in the beginning and 207.6MB in the end (delta: 73.4MB). Free memory was 74.3MB in the beginning and 117.2MB in the end (delta: -42.9MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Witness Printer took 102.09ms. Allocated memory is still 207.6MB. Free memory was 117.2MB in the beginning and 113.0MB 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! [2023-11-11 23:54:27,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d46860-5999-460c-bf03-eff10a5f2dac/bin/ukojak-verify-0OAaufAVZV/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