./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f9cd32f4b321d9995f5b714ac7ab8f417de9e23e3b823c49499e1a07b5844c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:25:18,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:25:18,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:25:18,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:25:18,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:25:18,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:25:18,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:25:18,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:25:18,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:25:18,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:25:18,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:25:18,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:25:18,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:25:18,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:25:18,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:25:18,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:25:18,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:25:18,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:25:18,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:25:18,570 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:25:18,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:25:18,572 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:25:18,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:25:18,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:25:18,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:25:18,574 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:25:18,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:25:18,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:25:18,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:25:18,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:25:18,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:25:18,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:25:18,578 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:25:18,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:25:18,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:25:18,579 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_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9cd32f4b321d9995f5b714ac7ab8f417de9e23e3b823c49499e1a07b5844c4 [2023-12-02 21:25:18,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:25:18,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:25:18,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:25:18,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:25:18,894 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:25:18,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c [2023-12-02 21:25:21,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:25:22,096 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:25:22,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c [2023-12-02 21:25:22,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/data/1adf261c5/4ae7ff02a4e847498bd7a7f88b8cf8bc/FLAG0602480b2 [2023-12-02 21:25:22,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/data/1adf261c5/4ae7ff02a4e847498bd7a7f88b8cf8bc [2023-12-02 21:25:22,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:25:22,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:25:22,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:25:22,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:25:22,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:25:22,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f7164f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22, skipping insertion in model container [2023-12-02 21:25:22,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:25:22,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:25:22,410 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:25:22,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:25:22,459 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:25:22,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22 WrapperNode [2023-12-02 21:25:22,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:25:22,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:25:22,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:25:22,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:25:22,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,517 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-12-02 21:25:22,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:25:22,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:25:22,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:25:22,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:25:22,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:25:22,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:25:22,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:25:22,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:25:22,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:25:22" (1/1) ... [2023-12-02 21:25:22,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:25:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:25:22,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:25:22,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:25:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:25:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:25:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:25:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:25:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:25:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:25:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:25:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:25:22,716 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:25:22,718 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:25:23,269 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:25:23,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:25:23,309 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:25:23,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:25:23 BoogieIcfgContainer [2023-12-02 21:25:23,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:25:23,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:25:23,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:25:23,326 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:25:23,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:25:23" (1/1) ... [2023-12-02 21:25:23,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:25:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-12-02 21:25:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-12-02 21:25:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:25:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:23,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:23,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:25:23,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:25:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-12-02 21:25:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-12-02 21:25:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:25:23,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:23,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:25:23,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-12-02 21:25:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-12-02 21:25:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:25:24,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:24,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:25:24,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:25:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-12-02 21:25:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-12-02 21:25:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:25:24,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:24,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:25:24,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-12-02 21:25:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-12-02 21:25:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:25:24,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:24,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:24,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:25:24,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-12-02 21:25:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-12-02 21:25:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:25:25,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:25,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:25:25,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-12-02 21:25:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-12-02 21:25:27,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:25:27,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:27,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:27,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:25:27,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 163 states and 176 transitions. [2023-12-02 21:25:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2023-12-02 21:25:27,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:25:27,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:27,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:27,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:25:27,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:25:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 168 states and 183 transitions. [2023-12-02 21:25:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 183 transitions. [2023-12-02 21:25:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:25:28,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:28,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:28,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:25:28,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 186 transitions. [2023-12-02 21:25:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2023-12-02 21:25:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:25:29,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:29,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:29,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:25:29,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 173 states and 191 transitions. [2023-12-02 21:25:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2023-12-02 21:25:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:25:30,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:30,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:30,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:25:30,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 199 transitions. [2023-12-02 21:25:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 199 transitions. [2023-12-02 21:25:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:25:31,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:31,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:25:31,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 191 states and 215 transitions. [2023-12-02 21:25:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 215 transitions. [2023-12-02 21:25:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:25:34,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:34,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:34,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:25:34,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 192 states and 216 transitions. [2023-12-02 21:25:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 216 transitions. [2023-12-02 21:25:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:25:34,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:34,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:34,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:25:34,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 205 states and 235 transitions. [2023-12-02 21:25:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2023-12-02 21:25:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:25:37,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:37,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:37,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:25:37,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 219 states and 255 transitions. [2023-12-02 21:25:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2023-12-02 21:25:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:25:41,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:41,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:42,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:25:42,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 234 states and 277 transitions. [2023-12-02 21:25:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 277 transitions. [2023-12-02 21:25:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:25:47,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:47,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:25:47,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 245 states and 294 transitions. [2023-12-02 21:25:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 294 transitions. [2023-12-02 21:25:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:25:50,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:50,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:50,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:25:50,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:25:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 262 states and 320 transitions. [2023-12-02 21:25:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 320 transitions. [2023-12-02 21:25:58,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:25:58,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:58,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:58,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:25:58,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:26:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 280 states and 353 transitions. [2023-12-02 21:26:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 353 transitions. [2023-12-02 21:26:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:26:08,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:08,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:26:08,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:26:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 65 states and 68 transitions. [2023-12-02 21:26:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2023-12-02 21:26:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:26:12,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:12,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:26:13,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:26:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 64 states and 67 transitions. [2023-12-02 21:26:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2023-12-02 21:26:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:26:19,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:19,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:19,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:26:19,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:26:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 63 states and 66 transitions. [2023-12-02 21:26:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2023-12-02 21:26:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:26:31,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:31,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:31,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:26:31,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:26:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 62 states and 65 transitions. [2023-12-02 21:26:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2023-12-02 21:26:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:26:45,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:45,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:45,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:26:45,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:27:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 61 states and 64 transitions. [2023-12-02 21:27:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-02 21:27:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:27:04,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:04,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:04,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:27:04,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:27:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 60 states and 63 transitions. [2023-12-02 21:27:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-12-02 21:27:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:27:18,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:18,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:18,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:27:18,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:27:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 59 states and 62 transitions. [2023-12-02 21:27:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-12-02 21:27:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 21:27:22,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:22,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:27:22,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:27:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 58 states and 61 transitions. [2023-12-02 21:27:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-12-02 21:27:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 21:27:38,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:38,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:38,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:27:38,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:27:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 43 states and 45 transitions. [2023-12-02 21:27:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2023-12-02 21:27:50,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:27:50,324 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2023-12-02 21:27:50,334 INFO L751 CodeCheckObserver]: All specifications hold 68 specifications checked. All of them hold [2023-12-02 21:27:52,055 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:27:52,060 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:27:52,060 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:27:52,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:27:52 ImpRootNode [2023-12-02 21:27:52,060 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:27:52,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:27:52,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:27:52,061 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:27:52,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:25:23" (3/4) ... [2023-12-02 21:27:52,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:27:52,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 21:27:52,067 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 21:27:52,073 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-12-02 21:27:52,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 21:27:52,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:27:52,075 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:27:52,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:27:52,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:27:52,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:27:52,209 INFO L158 Benchmark]: Toolchain (without parser) took 150078.30ms. Allocated memory was 121.6MB in the beginning and 775.9MB in the end (delta: 654.3MB). Free memory was 79.4MB in the beginning and 616.4MB in the end (delta: -537.0MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. [2023-12-02 21:27:52,210 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:27:52,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.36ms. Allocated memory is still 121.6MB. Free memory was 79.0MB in the beginning and 68.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:27:52,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.43ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:27:52,212 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 121.6MB. Free memory was 65.6MB in the beginning and 64.7MB in the end (delta: 881.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:27:52,212 INFO L158 Benchmark]: RCFGBuilder took 760.54ms. Allocated memory is still 121.6MB. Free memory was 64.3MB in the beginning and 83.3MB in the end (delta: -19.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-12-02 21:27:52,213 INFO L158 Benchmark]: CodeCheck took 148747.85ms. Allocated memory was 121.6MB in the beginning and 775.9MB in the end (delta: 654.3MB). Free memory was 83.3MB in the beginning and 622.6MB in the end (delta: -539.4MB). Peak memory consumption was 541.2MB. Max. memory is 16.1GB. [2023-12-02 21:27:52,213 INFO L158 Benchmark]: Witness Printer took 147.66ms. Allocated memory is still 775.9MB. Free memory was 622.6MB in the beginning and 616.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:27:52,215 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 3 procedures, 161 locations, 68 error locations. Started 1 CEGAR loops. OverallTime: 147.0s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7024 SdHoareTripleChecker+Valid, 34.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5941 mSDsluCounter, 1755 SdHoareTripleChecker+Invalid, 30.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1208 mSDsCounter, 3775 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23049 IncrementalHoareTripleChecker+Invalid, 26824 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3775 mSolverCounterUnsat, 547 mSDtfsCounter, 23049 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8760 GetRequests, 7639 SyntacticMatches, 215 SemanticMatches, 906 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457603 ImplicationChecksByTransitivity, 138.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 857 NumberOfCodeBlocks, 857 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 829 ConstructedInterpolants, 36 QuantifiedInterpolants, 4769 SizeOfPredicates, 38 NumberOfNonLiveVariables, 3073 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 280/329 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 68 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.36ms. Allocated memory is still 121.6MB. Free memory was 79.0MB in the beginning and 68.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.43ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 121.6MB. Free memory was 65.6MB in the beginning and 64.7MB in the end (delta: 881.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.54ms. Allocated memory is still 121.6MB. Free memory was 64.3MB in the beginning and 83.3MB in the end (delta: -19.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 148747.85ms. Allocated memory was 121.6MB in the beginning and 775.9MB in the end (delta: 654.3MB). Free memory was 83.3MB in the beginning and 622.6MB in the end (delta: -539.4MB). Peak memory consumption was 541.2MB. Max. memory is 16.1GB. * Witness Printer took 147.66ms. Allocated memory is still 775.9MB. Free memory was 622.6MB in the beginning and 616.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:27:52,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da57ed79-d975-43bd-8f1d-ead23613ee51/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE