./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array20_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array20_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC --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 ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:25,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:25,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:01:25,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:25,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:25,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:25,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:25,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:25,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:25,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:25,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:25,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:25,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:25,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:25,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:25,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:25,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:25,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:25,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:25,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:25,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:25,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:25,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:25,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:25,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:25,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:25,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:25,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:25,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:25,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:25,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:25,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:25,526 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_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a [2023-11-23 20:01:25,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:25,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:25,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:25,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:25,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:25,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-15/array20_alloca.i [2023-11-23 20:01:29,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:29,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:29,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/sv-benchmarks/c/termination-15/array20_alloca.i [2023-11-23 20:01:29,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/data/6b9dba37c/17ea50b50b6046128d7c87e7ff7bbb69/FLAGedd78ac8a [2023-11-23 20:01:29,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/data/6b9dba37c/17ea50b50b6046128d7c87e7ff7bbb69 [2023-11-23 20:01:29,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:29,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:29,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:29,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:29,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:29,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:29" (1/1) ... [2023-11-23 20:01:29,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77100a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:29, skipping insertion in model container [2023-11-23 20:01:29,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:29" (1/1) ... [2023-11-23 20:01:29,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:30,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:30,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:30,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:30,330 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:30,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30 WrapperNode [2023-11-23 20:01:30,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:30,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:30,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:30,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:30,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,399 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-23 20:01:30,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:30,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:30,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:30,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:30,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:30,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:30,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:30,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:30,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:30,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:30,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:30,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:01:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:01:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:01:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:01:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:30,676 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:30,679 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:30,849 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:30,921 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:01:30,921 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:01:30,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:30 BoogieIcfgContainer [2023-11-23 20:01:30,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:01:30,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:01:30,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:01:30,936 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:01:30,936 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:30" (1/1) ... [2023-11-23 20:01:30,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:01:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:01:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:01:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:01:31,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-23 20:01:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-23 20:01:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:01:31,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:31,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-23 20:01:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-23 20:01:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:01:31,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:31,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:31,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:31,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-23 20:01:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-23 20:01:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:01:31,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:31,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-23 20:01:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-23 20:01:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:01:32,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-23 20:01:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-23 20:01:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:01:32,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:32,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:32,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:01:32,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:01:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:01:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:01:32,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:32,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-23 20:01:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-23 20:01:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:01:33,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:33,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-23 20:01:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-23 20:01:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:01:33,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:33,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:33,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-23 20:01:33,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 20:01:33,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-23 20:01:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-23 20:01:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-23 20:01:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:01:34,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2023-11-23 20:01:34,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-23 20:01:34,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 20:01:34,482 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:34,483 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-11-23 20:01:34,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 20:01:34,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-23 20:01:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2023-11-23 20:01:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2023-11-23 20:01:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:35,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:35,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2023-11-23 20:01:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2023-11-23 20:01:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:36,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:01:36,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:36,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-23 20:01:36,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 20:01:36,647 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-23 20:01:36,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-23 20:01:36,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 13 [2023-11-23 20:01:36,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-23 20:01:36,713 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:36,715 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2023-11-23 20:01:36,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:36,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2023-11-23 20:01:36,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-23 20:01:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2023-11-23 20:01:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2023-11-23 20:01:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:37,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:37,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:37,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:01:37,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:38,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:01:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2023-11-23 20:01:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2023-11-23 20:01:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:41,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:01:41,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:41,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2023-11-23 20:01:41,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-23 20:01:41,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 20:01:41,562 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:41,563 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-11-23 20:01:41,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 20:01:41,868 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-23 20:01:41,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 70 [2023-11-23 20:01:41,901 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:41,903 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-11-23 20:01:41,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-11-23 20:01:41,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-23 20:01:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:41,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2023-11-23 20:01:42,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2023-11-23 20:01:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:43,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2023-11-23 20:01:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-11-23 20:01:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:43,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:43,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:43,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:01:43,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:44,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-23 20:01:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2023-11-23 20:01:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2023-11-23 20:01:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:46,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2023-11-23 20:01:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2023-11-23 20:01:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:47,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:47,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:01:47,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:47,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2023-11-23 20:01:47,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-23 20:01:47,461 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:47,462 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2023-11-23 20:01:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:47,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2023-11-23 20:01:47,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-11-23 20:01:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:47,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:01:47,808 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:47,809 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2023-11-23 20:01:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:47,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2023-11-23 20:01:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,358 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:48,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 80 [2023-11-23 20:01:48,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-23 20:01:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2023-11-23 20:01:48,424 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:48,426 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2023-11-23 20:01:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2023-11-23 20:01:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:48,888 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:48,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2023-11-23 20:01:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2023-11-23 20:01:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2023-11-23 20:01:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:52,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:52,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:52,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 20:01:52,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:52,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 20:01:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:52,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-23 20:01:52,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 63 [2023-11-23 20:01:52,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-11-23 20:01:52,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-23 20:01:52,965 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:52,966 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 20:01:52,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-23 20:01:53,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:53,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 29 [2023-11-23 20:01:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 93 transitions. [2023-11-23 20:01:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 93 transitions. [2023-11-23 20:01:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:01:57,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:57,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:01:57,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:57,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 42 [2023-11-23 20:01:57,624 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:57,625 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-11-23 20:01:57,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 20:01:57,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-23 20:01:57,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 20:01:57,706 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-23 20:01:57,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 70 [2023-11-23 20:01:57,721 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:57,723 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2023-11-23 20:01:57,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:57,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2023-11-23 20:01:57,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-23 20:01:57,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:57,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2023-11-23 20:01:58,577 INFO L349 Elim1Store]: treesize reduction 84, result has 32.8 percent of original size [2023-11-23 20:01:58,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 95 [2023-11-23 20:01:58,591 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:01:58,592 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2023-11-23 20:01:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:58,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:58,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2023-11-23 20:01:58,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 63 [2023-11-23 20:01:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:01:58,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 33 [2023-11-23 20:01:59,448 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-23 20:01:59,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 16 [2023-11-23 20:01:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:12,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:02:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 45 states and 92 transitions. [2023-11-23 20:02:14,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 92 transitions. [2023-11-23 20:02:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:02:14,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:14,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:14,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:02:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:02:14,676 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2023-11-23 20:02:14,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-23 20:02:14,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-23 20:02:14,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-23 20:02:14,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:02:14 ImpRootNode [2023-11-23 20:02:14,715 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:02:14,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:02:14,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:02:14,716 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:02:14,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:30" (3/4) ... [2023-11-23 20:02:14,718 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:02:14,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-23 20:02:14,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-23 20:02:14,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-23 20:02:14,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-23 20:02:14,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8720730-20fc-43af-a647-dd608ff4525e/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:02:14,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:02:14,770 INFO L158 Benchmark]: Toolchain (without parser) took 45052.65ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 96.4MB in the beginning and 150.0MB in the end (delta: -53.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,770 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:14,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.94ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 78.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.74ms. Allocated memory is still 134.2MB. Free memory was 78.6MB in the beginning and 76.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,772 INFO L158 Benchmark]: Boogie Preprocessor took 59.20ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 75.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:14,772 INFO L158 Benchmark]: RCFGBuilder took 462.46ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 93.4MB in the end (delta: -18.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,773 INFO L158 Benchmark]: CodeCheck took 43791.34ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 93.4MB in the beginning and 152.2MB in the end (delta: -58.8MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,773 INFO L158 Benchmark]: Witness Printer took 53.32ms. Allocated memory is still 234.9MB. Free memory was 152.2MB in the beginning and 150.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 43.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 704 SdHoareTripleChecker+Valid, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 16.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 952 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3784 IncrementalHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 952 mSolverCounterUnsat, 72 mSDtfsCounter, 3784 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2180 GetRequests, 1820 SyntacticMatches, 92 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33847 ImplicationChecksByTransitivity, 27.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 203 ConstructedInterpolants, 14 QuantifiedInterpolants, 1810 SizeOfPredicates, 67 NumberOfNonLiveVariables, 829 ConjunctsInSsa, 199 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 8/177 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: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=3] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=3] [L370] COND TRUE i