./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:14,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:14,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:14,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:14,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:14,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:14,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:14,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:14,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:14,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:14,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:14,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:14,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:14,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:14,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:14,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:14,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:14,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:14,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:14,383 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:14,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:14,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:14,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:14,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:14,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:14,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:14,387 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:14,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:14,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:14,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:14,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:14,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:14,390 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:14,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:14,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:14,391 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_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-11-23 20:05:14,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:14,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:14,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:14,738 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:14,739 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:14,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursive/recHanoi01.c [2023-11-23 20:05:17,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:18,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:18,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/sv-benchmarks/c/recursive/recHanoi01.c [2023-11-23 20:05:18,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/data/756475b00/291bb71c40fd4b5e8843055362be1fb4/FLAG550aef39f [2023-11-23 20:05:18,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/data/756475b00/291bb71c40fd4b5e8843055362be1fb4 [2023-11-23 20:05:18,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:18,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:18,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:18,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:18,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:18,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3217a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18, skipping insertion in model container [2023-11-23 20:05:18,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:18,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:18,426 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:18,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:18,457 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:18,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18 WrapperNode [2023-11-23 20:05:18,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:18,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:18,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:18,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:18,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,495 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-23 20:05:18,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:18,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:18,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:18,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:18,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:18,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:18,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:18,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:18,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:18,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:18,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71eddfcb-8e11-421d-a119-99f7e01c9eaf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-11-23 20:05:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-11-23 20:05:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-11-23 20:05:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-11-23 20:05:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:18,666 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:18,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:18,863 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:18,911 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:18,911 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:05:18,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:18 BoogieIcfgContainer [2023-11-23 20:05:18,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:18,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:18,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:18,926 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:18,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-11-23 20:05:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-11-23 20:05:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:19,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 54 transitions. [2023-11-23 20:05:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-23 20:05:19,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:19,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 55 transitions. [2023-11-23 20:05:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-23 20:05:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:19,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 63 transitions. [2023-11-23 20:05:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-23 20:05:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:20,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 72 transitions. [2023-11-23 20:05:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-23 20:05:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:21,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 84 transitions. [2023-11-23 20:05:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2023-11-23 20:05:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:21,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 98 transitions. [2023-11-23 20:05:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-11-23 20:05:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:05:22,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 100 transitions. [2023-11-23 20:05:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-23 20:05:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:05:23,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 114 transitions. [2023-11-23 20:05:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-23 20:05:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:24,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 117 transitions. [2023-11-23 20:05:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-23 20:05:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:24,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 126 transitions. [2023-11-23 20:05:26,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2023-11-23 20:05:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:26,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 154 transitions. [2023-11-23 20:05:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2023-11-23 20:05:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:27,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 92 states and 155 transitions. [2023-11-23 20:05:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 155 transitions. [2023-11-23 20:05:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:27,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 93 states and 155 transitions. [2023-11-23 20:05:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2023-11-23 20:05:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:05:28,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 163 transitions. [2023-11-23 20:05:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2023-11-23 20:05:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:05:28,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 103 states and 187 transitions. [2023-11-23 20:05:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 187 transitions. [2023-11-23 20:05:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:05:29,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 104 states and 187 transitions. [2023-11-23 20:05:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 187 transitions. [2023-11-23 20:05:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:30,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:30,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 107 states and 196 transitions. [2023-11-23 20:05:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-11-23 20:05:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:30,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,577 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:05:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 107 states and 194 transitions. [2023-11-23 20:05:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 194 transitions. [2023-11-23 20:05:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:30,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 114 states and 212 transitions. [2023-11-23 20:05:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 212 transitions. [2023-11-23 20:05:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:32,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 119 states and 247 transitions. [2023-11-23 20:05:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 247 transitions. [2023-11-23 20:05:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:34,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:05:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 119 states and 245 transitions. [2023-11-23 20:05:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 245 transitions. [2023-11-23 20:05:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:34,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,824 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 125 states and 257 transitions. [2023-11-23 20:05:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 257 transitions. [2023-11-23 20:05:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:36,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 126 states and 257 transitions. [2023-11-23 20:05:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 257 transitions. [2023-11-23 20:05:36,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:36,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 129 states and 261 transitions. [2023-11-23 20:05:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 261 transitions. [2023-11-23 20:05:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:36,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 129 states and 260 transitions. [2023-11-23 20:05:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 260 transitions. [2023-11-23 20:05:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:37,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 130 states and 260 transitions. [2023-11-23 20:05:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 260 transitions. [2023-11-23 20:05:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:38,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:05:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 139 states and 314 transitions. [2023-11-23 20:05:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 314 transitions. [2023-11-23 20:05:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:41,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:05:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 141 states and 351 transitions. [2023-11-23 20:05:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 351 transitions. [2023-11-23 20:05:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:42,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 144 states and 386 transitions. [2023-11-23 20:05:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 386 transitions. [2023-11-23 20:05:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:43,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 151 states and 425 transitions. [2023-11-23 20:05:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 425 transitions. [2023-11-23 20:05:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:45,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 152 states and 425 transitions. [2023-11-23 20:05:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 425 transitions. [2023-11-23 20:05:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:45,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 153 states and 425 transitions. [2023-11-23 20:05:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 425 transitions. [2023-11-23 20:05:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:45,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:05:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 158 states and 488 transitions. [2023-11-23 20:05:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 488 transitions. [2023-11-23 20:05:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:48,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 20:05:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 158 states and 486 transitions. [2023-11-23 20:05:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 486 transitions. [2023-11-23 20:05:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:48,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 165 states and 507 transitions. [2023-11-23 20:05:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 507 transitions. [2023-11-23 20:05:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:51,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:05:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 168 states and 518 transitions. [2023-11-23 20:05:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 518 transitions. [2023-11-23 20:05:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:52,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:05:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 168 states and 516 transitions. [2023-11-23 20:05:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 516 transitions. [2023-11-23 20:05:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:52,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 175 states and 529 transitions. [2023-11-23 20:05:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 529 transitions. [2023-11-23 20:05:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:55,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 175 states and 527 transitions. [2023-11-23 20:05:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 527 transitions. [2023-11-23 20:05:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:57,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 39 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 176 states and 527 transitions. [2023-11-23 20:05:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 527 transitions. [2023-11-23 20:05:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:58,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:58,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 179 states and 577 transitions. [2023-11-23 20:05:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 577 transitions. [2023-11-23 20:05:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:59,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 186 states and 624 transitions. [2023-11-23 20:06:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 624 transitions. [2023-11-23 20:06:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:01,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 187 states and 624 transitions. [2023-11-23 20:06:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 624 transitions. [2023-11-23 20:06:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:02,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:02,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 188 states and 624 transitions. [2023-11-23 20:06:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 624 transitions. [2023-11-23 20:06:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:03,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 189 states and 624 transitions. [2023-11-23 20:06:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 624 transitions. [2023-11-23 20:06:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:06:03,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat