./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/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_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/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_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/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 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:25,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:25,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:25,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:25,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:25,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:25,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:25,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:25,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:25,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:25,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:25,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:25,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:25,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:25,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:25,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:25,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:25,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:25,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:25,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:25,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:25,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:25,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:25,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:25,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:25,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:25,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:25,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:25,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:25,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:25,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:25,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:25,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:25,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:25,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:25,421 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_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28cfabe4b70eff8f7baaccb87c67f08c79dbf056ceeb2a0d56109f4b60f10f62 [2023-11-21 18:25:25,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:25,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:25,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:25,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:25,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:25,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2023-11-21 18:25:28,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:29,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:29,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound20.c [2023-11-21 18:25:29,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/data/795e2fbe4/44e8916f3d6c46bab1e17e7e8ea9d5ee/FLAG72bc71b6e [2023-11-21 18:25:29,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/data/795e2fbe4/44e8916f3d6c46bab1e17e7e8ea9d5ee [2023-11-21 18:25:29,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:29,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:29,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:29,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:29,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:29,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2fadb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29, skipping insertion in model container [2023-11-21 18:25:29,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:29,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:29,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:29,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:29,402 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:29,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29 WrapperNode [2023-11-21 18:25:29,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:29,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:29,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:29,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:29,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,441 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-21 18:25:29,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:29,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:29,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:29,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:29,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:29,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:29,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:29,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:29,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:29,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:29,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:29,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9285cdd1-c2bb-4335-8ff3-3c287faf17f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:29,649 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:29,652 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:29,882 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:29,947 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:29,948 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:25:29,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:29 BoogieIcfgContainer [2023-11-21 18:25:29,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:29,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:29,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:29,963 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:29,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:29" (1/1) ... [2023-11-21 18:25:29,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-21 18:25:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-21 18:25:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:30,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,289 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 18:25:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-21 18:25:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-21 18:25:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:30,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,494 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 18:25:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-21 18:25:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-21 18:25:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:30,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,649 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 18:25:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-21 18:25:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-21 18:25:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:30,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:30,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:25:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:25:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:31,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:31,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:31,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:31,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-21 18:25:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-21 18:25:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:31,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:31,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:31,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:31,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-21 18:25:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-21 18:25:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:32,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-21 18:25:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-21 18:25:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:32,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:25:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-21 18:25:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-21 18:25:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:25:32,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:25:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-21 18:25:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-21 18:25:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:33,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:25:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 71 states and 130 transitions. [2023-11-21 18:25:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 130 transitions. [2023-11-21 18:25:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:33,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 81 states and 155 transitions. [2023-11-21 18:25:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 155 transitions. [2023-11-21 18:25:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:34,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:34,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:34,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 83 states and 157 transitions. [2023-11-21 18:25:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 157 transitions. [2023-11-21 18:25:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:25:34,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:34,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:34,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2023-11-21 18:25:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-11-21 18:25:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:25:35,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2023-11-21 18:25:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2023-11-21 18:25:35,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:25:35,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:25:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 102 states and 207 transitions. [2023-11-21 18:25:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 207 transitions. [2023-11-21 18:25:36,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:36,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:25:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 107 states and 216 transitions. [2023-11-21 18:25:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 216 transitions. [2023-11-21 18:25:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:25:37,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:25:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 213 transitions. [2023-11-21 18:25:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2023-11-21 18:25:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:25:37,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:25:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 215 transitions. [2023-11-21 18:25:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 215 transitions. [2023-11-21 18:25:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:25:38,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:38,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:38,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:25:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 116 states and 218 transitions. [2023-11-21 18:25:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 218 transitions. [2023-11-21 18:25:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:25:38,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:38,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:38,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:38,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:25:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 120 states and 228 transitions. [2023-11-21 18:25:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2023-11-21 18:25:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:25:39,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:39,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:25:39,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:25:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 246 transitions. [2023-11-21 18:25:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 246 transitions. [2023-11-21 18:25:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:25:40,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:40,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:25:40,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:25:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 135 states and 270 transitions. [2023-11-21 18:25:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 270 transitions. [2023-11-21 18:25:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:25:41,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:41,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:41,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:25:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 135 states and 265 transitions. [2023-11-21 18:25:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 265 transitions. [2023-11-21 18:25:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:25:41,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:41,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:42,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:42,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:25:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 263 transitions. [2023-11-21 18:25:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 263 transitions. [2023-11-21 18:25:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:25:42,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:42,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:42,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:25:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 142 states and 271 transitions. [2023-11-21 18:25:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 271 transitions. [2023-11-21 18:25:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:25:43,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:25:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 152 states and 301 transitions. [2023-11-21 18:25:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 301 transitions. [2023-11-21 18:25:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:25:44,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:25:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 152 states and 295 transitions. [2023-11-21 18:25:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2023-11-21 18:25:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:25:45,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:25:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 152 states and 293 transitions. [2023-11-21 18:25:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 293 transitions. [2023-11-21 18:25:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:25:46,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:25:46,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:25:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 159 states and 301 transitions. [2023-11-21 18:25:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 301 transitions. [2023-11-21 18:25:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:25:47,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:47,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:25:47,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:25:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 169 states and 332 transitions. [2023-11-21 18:25:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 332 transitions. [2023-11-21 18:25:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:25:48,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:48,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:25:48,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:25:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 176 states and 340 transitions. [2023-11-21 18:25:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 340 transitions. [2023-11-21 18:25:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:25:50,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:25:50,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:25:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 176 states and 333 transitions. [2023-11-21 18:25:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 333 transitions. [2023-11-21 18:25:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:25:51,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:25:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 176 states and 331 transitions. [2023-11-21 18:25:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 331 transitions. [2023-11-21 18:25:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:25:51,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:25:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 186 states and 363 transitions. [2023-11-21 18:25:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 363 transitions. [2023-11-21 18:25:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-21 18:25:53,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:53,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:53,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:25:53,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:25:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 193 states and 371 transitions. [2023-11-21 18:25:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 371 transitions. [2023-11-21 18:25:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:25:54,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:25:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 193 states and 370 transitions. [2023-11-21 18:25:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 370 transitions. [2023-11-21 18:25:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:25:56,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:25:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 193 states and 368 transitions. [2023-11-21 18:25:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 368 transitions. [2023-11-21 18:25:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:25:57,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:25:57,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:25:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 203 states and 401 transitions. [2023-11-21 18:25:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 401 transitions. [2023-11-21 18:25:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:25:58,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:26:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 212 states and 426 transitions. [2023-11-21 18:26:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 426 transitions. [2023-11-21 18:26:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:26:01,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:01,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:01,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:26:01,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:26:02,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:02,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 212 states and 410 transitions. [2023-11-21 18:26:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 410 transitions. [2023-11-21 18:26:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:26:02,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:02,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:02,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:26:02,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 21 proven. 707 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:26:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 216 states and 419 transitions. [2023-11-21 18:26:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 419 transitions. [2023-11-21 18:26:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:26:04,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:04,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:04,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:26:04,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:26:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 216 states and 417 transitions. [2023-11-21 18:26:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 417 transitions. [2023-11-21 18:26:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:26:05,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:05,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:26:05,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:26:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 226 states and 452 transitions. [2023-11-21 18:26:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 452 transitions. [2023-11-21 18:26:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:26:06,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:06,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:26:06,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:26:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 235 states and 476 transitions. [2023-11-21 18:26:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 476 transitions. [2023-11-21 18:26:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:26:08,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:08,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:26:08,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-21 18:26:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 235 states and 475 transitions. [2023-11-21 18:26:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 475 transitions. [2023-11-21 18:26:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 18:26:09,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:09,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:10,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:26:10,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 0 proven. 963 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-21 18:26:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 235 states and 472 transitions. [2023-11-21 18:26:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 472 transitions. [2023-11-21 18:26:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-21 18:26:11,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:11,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:26:11,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 0 proven. 825 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:26:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 244 states and 496 transitions. [2023-11-21 18:26:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 496 transitions. [2023-11-21 18:26:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-21 18:26:12,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:12,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:12,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:26:12,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-21 18:26:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 254 states and 532 transitions. [2023-11-21 18:26:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 532 transitions. [2023-11-21 18:26:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-21 18:26:14,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:14,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:26:14,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:26:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 254 states and 531 transitions. [2023-11-21 18:26:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 531 transitions. [2023-11-21 18:26:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 18:26:15,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:15,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:26:15,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.