./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohencu.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_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/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_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/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_e7690a84-c4cf-4c18-9612-dd5c878bcd61/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 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:09,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:09,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:09,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:09,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:09,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:09,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:09,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:09,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:09,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:09,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:09,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:09,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:09,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:09,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:09,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:09,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:09,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:09,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:09,375 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:09,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:09,380 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:09,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:09,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:09,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:09,383 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:09,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:09,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:09,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:09,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:09,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:09,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:09,386 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:09,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:09,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:09,399 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_e7690a84-c4cf-4c18-9612-dd5c878bcd61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 [2023-11-21 18:37:09,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:09,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:09,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:09,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:09,742 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:09,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-21 18:37:13,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:13,240 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:13,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-21 18:37:13,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/data/b70a0f421/a90052708e5e40efa14e0df6aa377de9/FLAG559e23f56 [2023-11-21 18:37:13,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/data/b70a0f421/a90052708e5e40efa14e0df6aa377de9 [2023-11-21 18:37:13,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:13,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:13,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:13,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:13,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:13,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d388da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13, skipping insertion in model container [2023-11-21 18:37:13,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:13,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:13,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:13,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:13,522 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:13,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13 WrapperNode [2023-11-21 18:37:13,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:13,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:13,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:13,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:13,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,598 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 189 [2023-11-21 18:37:13,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:13,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:13,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:13,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:13,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:13,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:13,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:13,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:13,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:13" (1/1) ... [2023-11-21 18:37:13,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:13,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:13,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:13,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7690a84-c4cf-4c18-9612-dd5c878bcd61/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:37:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:37:13,814 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:13,817 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:14,724 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:14,763 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:14,764 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:37:14,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:14 BoogieIcfgContainer [2023-11-21 18:37:14,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:14,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:14,767 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:14,781 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:14,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:14" (1/1) ... [2023-11-21 18:37:14,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-21 18:37:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-21 18:37:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:37:14,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:14,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,119 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 18:37:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-21 18:37:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-21 18:37:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:37:15,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,245 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 18:37:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-21 18:37:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-21 18:37:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:37:15,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,337 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 18:37:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-21 18:37:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-21 18:37:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:37:15,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,406 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 18:37:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-21 18:37:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-21 18:37:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:37:15,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,518 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 18:37:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:37:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:37:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:37:15,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,630 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 18:37:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-21 18:37:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-21 18:37:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:37:15,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,694 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 18:37:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:37:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:37:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:15,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:15,812 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 18:37:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-21 18:37:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-21 18:37:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:15,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:15,923 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 18:37:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-21 18:37:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-21 18:37:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:15,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:15,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,022 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 18:37:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-21 18:37:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-21 18:37:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:16,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,110 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 18:37:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-21 18:37:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-21 18:37:16,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:37:16,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,270 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 18:37:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-21 18:37:16,443 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-21 18:37:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:16,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,467 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 18:37:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-21 18:37:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-21 18:37:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:37:16,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,521 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 18:37:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-21 18:37:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-21 18:37:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:16,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,609 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 18:37:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-21 18:37:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-21 18:37:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:37:16,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,707 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 18:37:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 306 states and 321 transitions. [2023-11-21 18:37:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 321 transitions. [2023-11-21 18:37:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:16,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,910 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 18:37:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 316 states and 332 transitions. [2023-11-21 18:37:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 332 transitions. [2023-11-21 18:37:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:17,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:17,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:17,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:17,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:17,127 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 18:37:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 317 states and 333 transitions. [2023-11-21 18:37:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 333 transitions. [2023-11-21 18:37:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:37:17,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:17,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:17,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:17,311 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 18:37:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 340 states and 361 transitions. [2023-11-21 18:37:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 361 transitions. [2023-11-21 18:37:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:37:17,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:17,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:17,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:17,746 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 18:37:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 341 states and 362 transitions. [2023-11-21 18:37:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 362 transitions. [2023-11-21 18:37:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:17,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:17,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:17,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:17,896 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 18:37:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 366 states and 393 transitions. [2023-11-21 18:37:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 393 transitions. [2023-11-21 18:37:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:37:18,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:18,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:18,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:18,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:18,424 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 18:37:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 392 states and 425 transitions. [2023-11-21 18:37:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 425 transitions. [2023-11-21 18:37:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:18,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:19,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:19,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:19,124 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 18:37:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 395 states and 430 transitions. [2023-11-21 18:37:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 430 transitions. [2023-11-21 18:37:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:19,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:19,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:19,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:19,637 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 18:37:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:20,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 398 states and 434 transitions. [2023-11-21 18:37:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 434 transitions. [2023-11-21 18:37:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:20,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:20,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:20,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:20,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:20,276 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 18:37:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 403 states and 442 transitions. [2023-11-21 18:37:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 442 transitions. [2023-11-21 18:37:20,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:20,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:20,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:20,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:20,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:20,995 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 18:37:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 409 states and 451 transitions. [2023-11-21 18:37:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 451 transitions. [2023-11-21 18:37:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:37:21,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:21,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:21,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:37:21,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:21,983 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 18:37:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 416 states and 459 transitions. [2023-11-21 18:37:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 459 transitions. [2023-11-21 18:37:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:37:22,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:22,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:22,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,099 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 18:37:23,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 420 states and 464 transitions. [2023-11-21 18:37:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 464 transitions. [2023-11-21 18:37:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:37:23,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,490 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 18:37:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 422 states and 468 transitions. [2023-11-21 18:37:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 468 transitions. [2023-11-21 18:37:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:37:23,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:23,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:23,929 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 18:37:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 425 states and 473 transitions. [2023-11-21 18:37:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 473 transitions. [2023-11-21 18:37:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:24,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:24,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:24,988 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 18:37:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 429 states and 479 transitions. [2023-11-21 18:37:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 479 transitions. [2023-11-21 18:37:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:25,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:25,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:25,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,283 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 18:37:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 433 states and 484 transitions. [2023-11-21 18:37:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 484 transitions. [2023-11-21 18:37:26,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:26,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:27,360 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 18:37:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 435 states and 488 transitions. [2023-11-21 18:37:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 488 transitions. [2023-11-21 18:37:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:28,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:28,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:28,318 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 18:37:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 436 states and 490 transitions. [2023-11-21 18:37:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 490 transitions. [2023-11-21 18:37:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:37:29,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:29,214 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 18:37:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 435 states and 489 transitions. [2023-11-21 18:37:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 489 transitions. [2023-11-21 18:37:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:37:29,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,695 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 18:37:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 440 states and 498 transitions. [2023-11-21 18:37:31,697 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 498 transitions. [2023-11-21 18:37:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:37:31,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:31,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:31,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:31,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:31,929 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 18:37:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 446 states and 508 transitions. [2023-11-21 18:37:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 508 transitions. [2023-11-21 18:37:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:37:32,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:32,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:32,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:32,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:33,012 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 18:37:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 454 states and 521 transitions. [2023-11-21 18:37:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 521 transitions. [2023-11-21 18:37:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:37:34,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:34,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:34,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:34,672 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 18:37:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 463 states and 535 transitions. [2023-11-21 18:37:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 535 transitions. [2023-11-21 18:37:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:37:36,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:36,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:36,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:37,169 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 18:37:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 472 states and 549 transitions. [2023-11-21 18:37:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 549 transitions. [2023-11-21 18:37:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:37:38,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:38,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:38,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:38,498 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 18:37:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 474 states and 553 transitions. [2023-11-21 18:37:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 553 transitions. [2023-11-21 18:37:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:37:39,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:39,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:39,416 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 18:37:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 477 states and 558 transitions. [2023-11-21 18:37:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 558 transitions. [2023-11-21 18:37:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:37:40,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,705 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 18:37:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 481 states and 562 transitions. [2023-11-21 18:37:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 562 transitions. [2023-11-21 18:37:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:37:41,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,431 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 18:37:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 485 states and 567 transitions. [2023-11-21 18:37:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 567 transitions. [2023-11-21 18:37:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:37:41,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,905 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 18:37:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 486 states and 569 transitions. [2023-11-21 18:37:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 569 transitions. [2023-11-21 18:37:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:42,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,597 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 18:37:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 488 states and 572 transitions. [2023-11-21 18:37:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 572 transitions. [2023-11-21 18:37:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:37:42,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 521 states and 617 transitions. [2023-11-21 18:37:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 617 transitions. [2023-11-21 18:37:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:37:45,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:45,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:45,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 554 states and 661 transitions. [2023-11-21 18:37:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 661 transitions. [2023-11-21 18:37:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:37:48,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:48,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 574 states and 691 transitions. [2023-11-21 18:37:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 691 transitions. [2023-11-21 18:37:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:37:51,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:51,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 594 states and 720 transitions. [2023-11-21 18:37:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 720 transitions. [2023-11-21 18:37:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:37:55,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:55,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:55,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 614 states and 750 transitions. [2023-11-21 18:37:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 750 transitions. [2023-11-21 18:37:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:37:59,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:59,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:59,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:59,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:37:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 613 states and 749 transitions. [2023-11-21 18:37:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 749 transitions. [2023-11-21 18:37:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:37:59,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:59,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:59,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:59,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:38:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 635 states and 781 transitions. [2023-11-21 18:38:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 781 transitions. [2023-11-21 18:38:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:38:03,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:03,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:03,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:03,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:38:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 644 states and 795 transitions. [2023-11-21 18:38:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 795 transitions. [2023-11-21 18:38:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:38:05,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:05,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:05,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.