./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:37:32,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:32,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:32,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:32,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:32,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:32,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:32,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:32,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:32,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:32,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:32,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:32,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:32,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:32,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:32,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:32,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:32,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:32,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:32,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:32,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:32,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:32,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:32,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:32,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:32,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:32,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:32,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:32,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:32,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:32,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:32,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:32,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:32,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:32,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:32,674 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_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-11-21 18:37:32,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:33,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:33,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:33,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:33,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:33,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive/recHanoi01.c [2023-11-21 18:37:35,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:36,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:36,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/sv-benchmarks/c/recursive/recHanoi01.c [2023-11-21 18:37:36,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/data/46e3e505b/0b589e39954349f0ac8d8a07298bc03b/FLAG6013dc7cf [2023-11-21 18:37:36,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/data/46e3e505b/0b589e39954349f0ac8d8a07298bc03b [2023-11-21 18:37:36,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:36,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:36,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:36,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:36,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:36,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f456109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36, skipping insertion in model container [2023-11-21 18:37:36,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:36,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:36,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:36,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:36,534 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:36,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36 WrapperNode [2023-11-21 18:37:36,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:36,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:36,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:36,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:36,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,574 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-21 18:37:36,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:36,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:36,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:36,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:36,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:36,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:36,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:36,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:36,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:36" (1/1) ... [2023-11-21 18:37:36,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:36,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:36,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60116498-9ea1-4b11-9338-b08877a0e2d4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-11-21 18:37:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-11-21 18:37:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-11-21 18:37:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-11-21 18:37:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:36,806 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:36,809 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:37,045 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:37,076 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:37,076 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:37:37,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:37 BoogieIcfgContainer [2023-11-21 18:37:37,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:37,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:37,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:37,091 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:37,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:37" (1/1) ... [2023-11-21 18:37:37,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-11-21 18:37:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-11-21 18:37:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:37:37,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:37,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 54 transitions. [2023-11-21 18:37:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-21 18:37:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:37:37,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 55 transitions. [2023-11-21 18:37:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:37:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:37,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:37,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 63 transitions. [2023-11-21 18:37:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-21 18:37:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:38,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 72 transitions. [2023-11-21 18:37:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-21 18:37:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:39,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 84 transitions. [2023-11-21 18:37:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2023-11-21 18:37:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:39,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 98 transitions. [2023-11-21 18:37:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-11-21 18:37:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:40,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 100 transitions. [2023-11-21 18:37:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-21 18:37:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:40,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 114 transitions. [2023-11-21 18:37:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-21 18:37:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:42,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 117 transitions. [2023-11-21 18:37:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-21 18:37:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:42,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 126 transitions. [2023-11-21 18:37:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2023-11-21 18:37:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:37:43,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 154 transitions. [2023-11-21 18:37:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2023-11-21 18:37:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:37:45,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 92 states and 155 transitions. [2023-11-21 18:37:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 155 transitions. [2023-11-21 18:37:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:37:45,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 93 states and 155 transitions. [2023-11-21 18:37:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2023-11-21 18:37:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:46,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 163 transitions. [2023-11-21 18:37:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2023-11-21 18:37:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:46,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 103 states and 187 transitions. [2023-11-21 18:37:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 187 transitions. [2023-11-21 18:37:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:47,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:47,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 104 states and 187 transitions. [2023-11-21 18:37:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 187 transitions. [2023-11-21 18:37:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:48,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 107 states and 196 transitions. [2023-11-21 18:37:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-11-21 18:37:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:48,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:37:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 107 states and 194 transitions. [2023-11-21 18:37:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 194 transitions. [2023-11-21 18:37:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:48,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 114 states and 212 transitions. [2023-11-21 18:37:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 212 transitions. [2023-11-21 18:37:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:50,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:37:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 119 states and 247 transitions. [2023-11-21 18:37:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 247 transitions. [2023-11-21 18:37:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:52,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:37:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 119 states and 245 transitions. [2023-11-21 18:37:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 245 transitions. [2023-11-21 18:37:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:52,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:52,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 125 states and 257 transitions. [2023-11-21 18:37:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 257 transitions. [2023-11-21 18:37:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:54,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 126 states and 257 transitions. [2023-11-21 18:37:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 257 transitions. [2023-11-21 18:37:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:54,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 129 states and 261 transitions. [2023-11-21 18:37:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 261 transitions. [2023-11-21 18:37:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:54,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 129 states and 260 transitions. [2023-11-21 18:37:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 260 transitions. [2023-11-21 18:37:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:55,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:55,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 130 states and 260 transitions. [2023-11-21 18:37:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 260 transitions. [2023-11-21 18:37:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:56,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 139 states and 314 transitions. [2023-11-21 18:37:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 314 transitions. [2023-11-21 18:37:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:59,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:59,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 141 states and 351 transitions. [2023-11-21 18:38:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 351 transitions. [2023-11-21 18:38:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:00,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 144 states and 386 transitions. [2023-11-21 18:38:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 386 transitions. [2023-11-21 18:38:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:01,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 151 states and 425 transitions. [2023-11-21 18:38:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 425 transitions. [2023-11-21 18:38:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:03,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 152 states and 425 transitions. [2023-11-21 18:38:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 425 transitions. [2023-11-21 18:38:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:04,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:04,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 153 states and 425 transitions. [2023-11-21 18:38:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 425 transitions. [2023-11-21 18:38:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:38:04,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:04,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:38:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 156 states and 442 transitions. [2023-11-21 18:38:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 442 transitions. [2023-11-21 18:38:06,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:38:06,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:38:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 158 states and 488 transitions. [2023-11-21 18:38:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 488 transitions. [2023-11-21 18:38:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:38:07,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:38:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 158 states and 486 transitions. [2023-11-21 18:38:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 486 transitions. [2023-11-21 18:38:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:38:08,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:08,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 165 states and 507 transitions. [2023-11-21 18:38:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 507 transitions. [2023-11-21 18:38:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:38:11,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:38:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:12,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 168 states and 518 transitions. [2023-11-21 18:38:12,478 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 518 transitions. [2023-11-21 18:38:12,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:38:12,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:38:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 168 states and 516 transitions. [2023-11-21 18:38:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 516 transitions. [2023-11-21 18:38:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:38:13,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:13,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 175 states and 529 transitions. [2023-11-21 18:38:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 529 transitions. [2023-11-21 18:38:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:38:16,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:16,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:17,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 175 states and 527 transitions. [2023-11-21 18:38:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 527 transitions. [2023-11-21 18:38:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:38:17,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 39 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 176 states and 527 transitions. [2023-11-21 18:38:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 527 transitions. [2023-11-21 18:38:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:38:18,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:18,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 179 states and 577 transitions. [2023-11-21 18:38:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 577 transitions. [2023-11-21 18:38:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:38:19,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.