./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66de7f8dcfecba0155136bf2ae50cf69773125ef386b1007a2b643875d1f6943 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:17:46,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:17:46,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:17:46,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:17:46,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:17:46,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:17:46,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:17:46,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:17:46,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:17:46,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:17:46,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:17:46,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:17:46,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:17:46,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:17:46,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:17:46,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:17:46,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:17:46,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:17:46,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:17:46,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:17:46,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:17:46,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:17:46,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:17:46,371 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:17:46,371 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:17:46,371 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:17:46,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:17:46,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:46,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:17:46,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:17:46,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:17:46,372 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:17:46,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:17:46,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm 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 ! call(reach_error())) ) 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 -> 66de7f8dcfecba0155136bf2ae50cf69773125ef386b1007a2b643875d1f6943 [2024-11-13 21:17:46,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:17:46,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:17:46,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:17:46,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:17:46,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:17:46,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 21:17:48,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:17:49,093 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:17:49,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c [2024-11-13 21:17:49,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/data/39e3d459f/671612b15501487ca528b31c316a686f/FLAG7855c235a [2024-11-13 21:17:49,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/data/39e3d459f/671612b15501487ca528b31c316a686f [2024-11-13 21:17:49,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:17:49,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:17:49,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:49,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:17:49,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:17:49,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cf7ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49, skipping insertion in model container [2024-11-13 21:17:49,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:17:49,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c[1175,1188] [2024-11-13 21:17:49,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:49,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:17:49,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c[1175,1188] [2024-11-13 21:17:49,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:49,440 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:17:49,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49 WrapperNode [2024-11-13 21:17:49,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:49,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:49,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:17:49,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:17:49,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,480 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-13 21:17:49,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:49,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:17:49,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:17:49,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:17:49,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:17:49,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:17:49,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:17:49,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:17:49,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:49,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:17:49,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:17:49,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:17:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:17:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:17:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:17:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:17:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:17:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:17:49,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:17:49,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:49,915 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:49,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:50,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:50,032 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:17:50,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:50 BoogieIcfgContainer [2024-11-13 21:17:50,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:50,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:50,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:50,047 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:50,047 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:17:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:17:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:17:50,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:17:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:17:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:50,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:17:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:17:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:50,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:50,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:50,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:17:50,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 21:17:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 21:17:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:17:51,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:51,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-13 21:17:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-13 21:17:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:17:51,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-11-13 21:17:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-13 21:17:52,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:17:52,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:52,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:52,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:17:52,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2024-11-13 21:17:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-11-13 21:17:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:17:56,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:56,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:56,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:17:56,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2024-11-13 21:17:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2024-11-13 21:17:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:17:57,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:57,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:58,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:17:58,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:17:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2024-11-13 21:17:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2024-11-13 21:17:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:17:59,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:59,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:59,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:17:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:59,861 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-11-13 21:17:59,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:17:59 ImpRootNode [2024-11-13 21:17:59,914 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:17:59,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:17:59,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:17:59,916 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:17:59,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:50" (3/4) ... [2024-11-13 21:17:59,918 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:17:59,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:17:59,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:17:59,980 INFO L158 Benchmark]: Toolchain (without parser) took 10839.26ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 118.7MB in the beginning and 102.3MB in the end (delta: 16.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,980 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.48ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.69ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,981 INFO L158 Benchmark]: Boogie Preprocessor took 32.89ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.7MB in the end (delta: 725.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,982 INFO L158 Benchmark]: RCFGBuilder took 517.97ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 91.8MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,982 INFO L158 Benchmark]: CodeCheck took 9880.63ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 91.8MB in the beginning and 105.1MB in the end (delta: -13.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,982 INFO L158 Benchmark]: Witness Printer took 62.52ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,989 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 221 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 724 IncrementalHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 221 mSolverCounterUnsat, 125 mSDtfsCounter, 724 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 948 GetRequests, 834 SyntacticMatches, 18 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3755 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 91 ConstructedInterpolants, 1 QuantifiedInterpolants, 522 SizeOfPredicates, 5 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 17/28 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 - CounterExampleResult [Line: 23]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] int counter = 0; [L30] int a, b; [L31] long long x, y, z; [L33] a = __VERIFIER_nondet_int() [L34] b = __VERIFIER_nondet_int() [L35] CALL assume_abort_if_not(b >= 1) [L18] COND FALSE !(!cond) [L35] RET assume_abort_if_not(b >= 1) [L37] x = a [L38] y = b [L39] z = 0 VAL [a=-1, b=4, counter=0, x=-1, y=4, z=0] [L41] EXPR counter++ VAL [a=-1, b=4, counter=1, x=-1, y=4, z=0] [L41] COND TRUE counter++<2 [L42] CALL __VERIFIER_assert(z + x * y == (long long) a * b) VAL [\old(cond)=1, counter=1] [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L42] RET __VERIFIER_assert(z + x * y == (long long) a * b) VAL [a=-1, b=4, counter=1, x=-1, y=4, z=0] [L43] COND FALSE !(!(y != 0)) [L46] COND FALSE !(y % 2 == 1) [L50] x = 2 * x [L51] y = y / 2 VAL [a=-1, b=4, counter=1, x=-2, y=2, z=0] [L41] EXPR counter++ VAL [a=-1, b=4, counter=2, x=-2, y=2, z=0] [L41] COND TRUE counter++<2 [L42] CALL __VERIFIER_assert(z + x * y == (long long) a * b) VAL [\old(cond)=1, counter=2] [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L42] RET __VERIFIER_assert(z + x * y == (long long) a * b) VAL [a=-1, b=4, counter=2, x=-2, y=2, z=0] [L43] COND FALSE !(!(y != 0)) [L46] COND FALSE !(y % 2 == 1) [L50] x = 2 * x [L51] y = y / 2 VAL [a=-1, b=4, counter=2, x=-4, y=1, z=0] [L41] EXPR counter++ VAL [a=-1, b=4, counter=3, x=-4, y=1, z=0] [L41] COND FALSE !(counter++<2) [L53] CALL __VERIFIER_assert(z == (long long) a * b) VAL [\old(cond)=0, counter=3] [L21] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L23] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.48ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.69ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.89ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.7MB in the end (delta: 725.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.97ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 91.8MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9880.63ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 91.8MB in the beginning and 105.1MB in the end (delta: -13.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 62.52ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:18:00,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b51230d2-bab4-4ecc-acae-108ced1c4815/bin/ukojak-verify-EEHR8qb7sm/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE