./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/reducercommutativity/max60-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/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_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max60-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/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_7f0de690-c8ee-452d-9004-824e0f060408/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 6dbb3c8dbc9ecf6e4f72a22b68126998e2267c3eb50185a59b3a9d03df64099d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:18:43,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:18:43,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:18:43,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:18:43,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:18:43,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:18:43,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:18:43,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:18:43,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:18:43,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:18:43,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:18:43,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:18:43,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:18:43,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:18:43,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:18:43,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:18:43,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:18:43,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:18:43,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:18:43,473 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:18:43,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:18:43,474 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:18:43,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:18:43,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:18:43,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:18:43,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:18:43,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:18:43,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:18:43,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:18:43,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:18:43,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:18:43,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:18:43,479 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:18:43,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:18:43,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:18:43,479 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_7f0de690-c8ee-452d-9004-824e0f060408/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dbb3c8dbc9ecf6e4f72a22b68126998e2267c3eb50185a59b3a9d03df64099d [2023-12-02 21:18:43,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:18:43,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:18:43,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:18:43,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:18:43,752 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:18:43,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/reducercommutativity/max60-2.i [2023-12-02 21:18:46,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:18:46,676 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:18:46,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/sv-benchmarks/c/reducercommutativity/max60-2.i [2023-12-02 21:18:46,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/data/f20cfa998/e8e50bd78fe04220a291325bd0105b6e/FLAG0345db1ac [2023-12-02 21:18:47,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/data/f20cfa998/e8e50bd78fe04220a291325bd0105b6e [2023-12-02 21:18:47,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:18:47,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:18:47,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:18:47,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:18:47,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:18:47,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763ebb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47, skipping insertion in model container [2023-12-02 21:18:47,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:18:47,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:47,213 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:18:47,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:47,246 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:18:47,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47 WrapperNode [2023-12-02 21:18:47,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:18:47,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:18:47,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:18:47,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:18:47,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,284 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-12-02 21:18:47,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:18:47,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:18:47,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:18:47,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:18:47,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:18:47,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:18:47,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:18:47,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:18:47,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:18:47,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:18:47,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:18:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:18:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:18:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure max [2023-12-02 21:18:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2023-12-02 21:18:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:18:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:18:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:18:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:18:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:18:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:18:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:18:47,443 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:18:47,445 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:18:47,607 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:18:47,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:18:47,673 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 21:18:47,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:47 BoogieIcfgContainer [2023-12-02 21:18:47,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:18:47,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:18:47,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:18:47,686 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:18:47,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:47" (1/1) ... [2023-12-02 21:18:47,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:18:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-12-02 21:18:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-12-02 21:18:47,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:18:47,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-12-02 21:18:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-12-02 21:18:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:18:47,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-12-02 21:18:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-12-02 21:18:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:18:48,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-12-02 21:18:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-12-02 21:18:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:18:48,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:18:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-02 21:18:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-02 21:18:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:18:48,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-12-02 21:18:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-12-02 21:18:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:18:48,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-12-02 21:18:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-12-02 21:18:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:18:48,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:18:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-12-02 21:18:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-12-02 21:18:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:18:48,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:18:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-12-02 21:18:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-12-02 21:18:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:18:48,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2023-12-02 21:18:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-12-02 21:18:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:18:49,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-12-02 21:18:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-12-02 21:18:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:18:49,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-12-02 21:18:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-12-02 21:18:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:18:49,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-12-02 21:18:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-12-02 21:18:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:18:50,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:50,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-12-02 21:18:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-12-02 21:18:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:18:50,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:50,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-12-02 21:18:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-12-02 21:18:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:18:51,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:51,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2023-12-02 21:18:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2023-12-02 21:18:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:18:52,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2023-12-02 21:18:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2023-12-02 21:18:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:18:52,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2023-12-02 21:18:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2023-12-02 21:18:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:18:53,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2023-12-02 21:18:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2023-12-02 21:18:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:18:54,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:54,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2023-12-02 21:18:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-12-02 21:18:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:18:54,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2023-12-02 21:18:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2023-12-02 21:18:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:18:55,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2023-12-02 21:18:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-12-02 21:18:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:18:56,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:56,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 76 states and 81 transitions. [2023-12-02 21:18:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2023-12-02 21:18:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:18:57,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:57,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2023-12-02 21:18:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2023-12-02 21:18:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:18:58,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:58,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 82 states and 87 transitions. [2023-12-02 21:18:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2023-12-02 21:18:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:18:59,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:59,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 85 states and 90 transitions. [2023-12-02 21:19:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-12-02 21:19:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:19:00,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 88 states and 93 transitions. [2023-12-02 21:19:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2023-12-02 21:19:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:19:01,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 91 states and 96 transitions. [2023-12-02 21:19:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2023-12-02 21:19:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:19:02,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:02,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 94 states and 99 transitions. [2023-12-02 21:19:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2023-12-02 21:19:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:19:03,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:03,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 97 states and 102 transitions. [2023-12-02 21:19:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2023-12-02 21:19:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 21:19:04,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:04,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 100 states and 105 transitions. [2023-12-02 21:19:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2023-12-02 21:19:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:19:05,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 103 states and 108 transitions. [2023-12-02 21:19:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2023-12-02 21:19:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:19:06,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:06,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 106 states and 111 transitions. [2023-12-02 21:19:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2023-12-02 21:19:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:19:07,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:07,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 109 states and 114 transitions. [2023-12-02 21:19:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2023-12-02 21:19:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:19:09,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 112 states and 117 transitions. [2023-12-02 21:19:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2023-12-02 21:19:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 21:19:10,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:10,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1162 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 115 states and 120 transitions. [2023-12-02 21:19:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2023-12-02 21:19:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 21:19:11,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:11,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 118 states and 123 transitions. [2023-12-02 21:19:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-12-02 21:19:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:19:13,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:13,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 0 proven. 1335 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 121 states and 126 transitions. [2023-12-02 21:19:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-12-02 21:19:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:19:14,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 124 states and 129 transitions. [2023-12-02 21:19:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-12-02 21:19:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:19:16,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:16,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2023-12-02 21:19:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-12-02 21:19:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 21:19:17,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-12-02 21:19:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-12-02 21:19:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:19:19,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:19,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 1717 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 133 states and 138 transitions. [2023-12-02 21:19:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2023-12-02 21:19:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 21:19:20,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:20,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 0 proven. 1820 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 136 states and 141 transitions. [2023-12-02 21:19:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2023-12-02 21:19:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:19:22,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 0 proven. 1926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 139 states and 144 transitions. [2023-12-02 21:19:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2023-12-02 21:19:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 21:19:24,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 2035 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 142 states and 147 transitions. [2023-12-02 21:19:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2023-12-02 21:19:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:19:26,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 0 proven. 2147 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 145 states and 150 transitions. [2023-12-02 21:19:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2023-12-02 21:19:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 21:19:28,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2264 backedges. 0 proven. 2262 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 148 states and 153 transitions. [2023-12-02 21:19:30,098 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2023-12-02 21:19:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 21:19:30,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:30,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 0 proven. 2380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:32,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 151 states and 156 transitions. [2023-12-02 21:19:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2023-12-02 21:19:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 21:19:32,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:32,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 0 proven. 2501 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 154 states and 159 transitions. [2023-12-02 21:19:34,691 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2023-12-02 21:19:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-02 21:19:34,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:34,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2627 backedges. 0 proven. 2625 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 157 states and 162 transitions. [2023-12-02 21:19:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2023-12-02 21:19:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 21:19:36,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2754 backedges. 0 proven. 2752 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 160 states and 165 transitions. [2023-12-02 21:19:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2023-12-02 21:19:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 21:19:38,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2884 backedges. 0 proven. 2882 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 163 states and 168 transitions. [2023-12-02 21:19:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2023-12-02 21:19:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 21:19:41,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3017 backedges. 0 proven. 3015 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 166 states and 171 transitions. [2023-12-02 21:19:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2023-12-02 21:19:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 21:19:43,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:43,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3153 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 169 states and 174 transitions. [2023-12-02 21:19:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 174 transitions. [2023-12-02 21:19:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 21:19:45,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:45,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3292 backedges. 0 proven. 3290 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 172 states and 177 transitions. [2023-12-02 21:19:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2023-12-02 21:19:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 21:19:48,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3434 backedges. 0 proven. 3432 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 175 states and 180 transitions. [2023-12-02 21:19:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 180 transitions. [2023-12-02 21:19:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 21:19:51,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:51,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 0 proven. 3577 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:53,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 178 states and 183 transitions. [2023-12-02 21:19:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2023-12-02 21:19:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 21:19:53,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:53,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3727 backedges. 0 proven. 3725 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 181 states and 186 transitions. [2023-12-02 21:19:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 186 transitions. [2023-12-02 21:19:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 21:19:56,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:56,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3878 backedges. 0 proven. 3876 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 184 states and 189 transitions. [2023-12-02 21:19:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2023-12-02 21:19:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 21:19:59,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4030 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:01,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 187 states and 192 transitions. [2023-12-02 21:20:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2023-12-02 21:20:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 21:20:01,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:01,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4189 backedges. 0 proven. 4187 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 190 states and 195 transitions. [2023-12-02 21:20:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2023-12-02 21:20:04,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 21:20:04,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:04,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4349 backedges. 0 proven. 4347 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 193 states and 198 transitions. [2023-12-02 21:20:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2023-12-02 21:20:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 21:20:07,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:07,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 4510 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 196 states and 201 transitions. [2023-12-02 21:20:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2023-12-02 21:20:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 21:20:11,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4678 backedges. 0 proven. 4676 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:14,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 199 states and 204 transitions. [2023-12-02 21:20:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 204 transitions. [2023-12-02 21:20:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 21:20:14,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:14,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4847 backedges. 0 proven. 4845 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 202 states and 207 transitions. [2023-12-02 21:20:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2023-12-02 21:20:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 21:20:17,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:17,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5019 backedges. 0 proven. 5017 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 205 states and 210 transitions. [2023-12-02 21:20:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 210 transitions. [2023-12-02 21:20:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-02 21:20:21,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:21,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5194 backedges. 0 proven. 5192 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 208 states and 212 transitions. [2023-12-02 21:20:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 212 transitions. [2023-12-02 21:20:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 21:20:24,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5370 trivial. 0 not checked. [2023-12-02 21:20:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 210 states and 215 transitions. [2023-12-02 21:20:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 215 transitions. [2023-12-02 21:20:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-02 21:20:26,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5373 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5371 trivial. 0 not checked. [2023-12-02 21:20:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 209 states and 214 transitions. [2023-12-02 21:20:27,429 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 214 transitions. [2023-12-02 21:20:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-02 21:20:27,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5377 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 5370 trivial. 0 not checked. [2023-12-02 21:20:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 206 states and 209 transitions. [2023-12-02 21:20:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 209 transitions. [2023-12-02 21:20:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 21:20:28,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5380 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5372 trivial. 0 not checked. [2023-12-02 21:20:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 207 states and 210 transitions. [2023-12-02 21:20:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 210 transitions. [2023-12-02 21:20:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 21:20:29,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:29,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 5399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked. [2023-12-02 21:20:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 209 states and 213 transitions. [2023-12-02 21:20:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 213 transitions. [2023-12-02 21:20:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 21:20:30,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked. [2023-12-02 21:20:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 210 states and 214 transitions. [2023-12-02 21:20:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 214 transitions. [2023-12-02 21:20:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-02 21:20:30,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:30,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked. [2023-12-02 21:20:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 211 states and 215 transitions. [2023-12-02 21:20:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 215 transitions. [2023-12-02 21:20:31,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-02 21:20:31,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked. [2023-12-02 21:20:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 212 states and 216 transitions. [2023-12-02 21:20:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 216 transitions. [2023-12-02 21:20:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 21:20:31,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:31,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5401 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked. [2023-12-02 21:20:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 214 states and 219 transitions. [2023-12-02 21:20:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2023-12-02 21:20:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-12-02 21:20:32,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:32,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5400 trivial. 0 not checked. [2023-12-02 21:20:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 213 states and 218 transitions. [2023-12-02 21:20:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 218 transitions. [2023-12-02 21:20:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 21:20:33,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:33,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5403 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2023-12-02 21:20:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 212 states and 217 transitions. [2023-12-02 21:20:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 217 transitions. [2023-12-02 21:20:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 21:20:34,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:34,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5404 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5400 trivial. 0 not checked. [2023-12-02 21:20:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 211 states and 216 transitions. [2023-12-02 21:20:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 216 transitions. [2023-12-02 21:20:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-12-02 21:20:36,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:36,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5403 trivial. 0 not checked. [2023-12-02 21:20:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 210 states and 215 transitions. [2023-12-02 21:20:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 215 transitions. [2023-12-02 21:20:36,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:20:36,943 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 80 iterations. [2023-12-02 21:20:36,950 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 21:20:37,926 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-12-02 21:20:37,931 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-12-02 21:20:37,932 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:20:37,932 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-02 21:20:37,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:20:37 ImpRootNode [2023-12-02 21:20:37,932 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:20:37,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:20:37,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:20:37,933 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:20:37,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:47" (3/4) ... [2023-12-02 21:20:37,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:20:37,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure max [2023-12-02 21:20:37,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-02 21:20:37,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 21:20:37,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:20:37,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:20:38,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:20:38,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:20:38,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:20:38,030 INFO L158 Benchmark]: Toolchain (without parser) took 111010.18ms. Allocated memory was 190.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 159.8MB in the beginning and 879.4MB in the end (delta: -719.5MB). Peak memory consumption was 827.9MB. Max. memory is 16.1GB. [2023-12-02 21:20:38,030 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:20:38,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.22ms. Allocated memory is still 190.8MB. Free memory was 159.8MB in the beginning and 148.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:20:38,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.40ms. Allocated memory is still 190.8MB. Free memory was 148.9MB in the beginning and 147.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:20:38,031 INFO L158 Benchmark]: Boogie Preprocessor took 27.46ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 146.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:20:38,032 INFO L158 Benchmark]: RCFGBuilder took 361.47ms. Allocated memory is still 190.8MB. Free memory was 146.2MB in the beginning and 129.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:20:38,032 INFO L158 Benchmark]: CodeCheck took 110256.65ms. Allocated memory was 190.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 129.4MB in the beginning and 884.6MB in the end (delta: -755.2MB). Peak memory consumption was 792.2MB. Max. memory is 16.1GB. [2023-12-02 21:20:38,033 INFO L158 Benchmark]: Witness Printer took 96.16ms. Allocated memory is still 1.7GB. Free memory was 884.6MB in the beginning and 879.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:20:38,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 109.2s, OverallIterations: 80, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7294 SdHoareTripleChecker+Valid, 47.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5742 mSDsluCounter, 680 SdHoareTripleChecker+Invalid, 39.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17385 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40485 IncrementalHoareTripleChecker+Invalid, 57870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17385 mSolverCounterUnsat, 680 mSDtfsCounter, 40485 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53374 GetRequests, 47625 SyntacticMatches, 5091 SemanticMatches, 658 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218281 ImplicationChecksByTransitivity, 62.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 54.7s InterpolantComputationTime, 8559 NumberOfCodeBlocks, 8559 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 8480 ConstructedInterpolants, 0 QuantifiedInterpolants, 19380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 79 InterpolantComputations, 14 PerfectInterpolantSequences, 70230/174684 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((1 <= i) || (i == 0)) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.22ms. Allocated memory is still 190.8MB. Free memory was 159.8MB in the beginning and 148.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.40ms. Allocated memory is still 190.8MB. Free memory was 148.9MB in the beginning and 147.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.46ms. Allocated memory is still 190.8MB. Free memory was 147.4MB in the beginning and 146.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.47ms. Allocated memory is still 190.8MB. Free memory was 146.2MB in the beginning and 129.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 110256.65ms. Allocated memory was 190.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 129.4MB in the beginning and 884.6MB in the end (delta: -755.2MB). Peak memory consumption was 792.2MB. Max. memory is 16.1GB. * Witness Printer took 96.16ms. Allocated memory is still 1.7GB. Free memory was 884.6MB in the beginning and 879.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:20:38,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f0de690-c8ee-452d-9004-824e0f060408/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