./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:47,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:47,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:13:47,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:47,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:47,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:47,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:47,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:47,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:47,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:47,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:47,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:47,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:47,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:47,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:47,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:47,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:47,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:47,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:47,341 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:47,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:47,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:47,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:47,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:47,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:47,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:47,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:47,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:47,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:47,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:47,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:47,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:47,349 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:47,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:47,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:47,350 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_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2023-11-23 20:13:47,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:47,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:47,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:47,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:47,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:47,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-11-23 20:13:50,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:51,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:51,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-11-23 20:13:51,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/data/9dcacdacc/2b1ad5bb7d414a568775ce81c306d11a/FLAG8c718613e [2023-11-23 20:13:51,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/data/9dcacdacc/2b1ad5bb7d414a568775ce81c306d11a [2023-11-23 20:13:51,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:51,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:51,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:51,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:51,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:51,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c66ee76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51, skipping insertion in model container [2023-11-23 20:13:51,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:51,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:51,456 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:51,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:51,494 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:51,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51 WrapperNode [2023-11-23 20:13:51,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:51,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:51,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:51,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:51,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,538 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-23 20:13:51,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:51,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:51,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:51,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:51,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:51,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:51,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:51,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:51,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:51" (1/1) ... [2023-11-23 20:13:51,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:51,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:51,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:51,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35af74b9-67f9-4199-a1b4-bbfdf29ae286/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:13:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:13:51,698 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:51,700 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:51,922 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:52,041 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:52,058 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:13:52,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:52 BoogieIcfgContainer [2023-11-23 20:13:52,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:52,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:52,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:52,073 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:52,078 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:52" (1/1) ... [2023-11-23 20:13:52,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-23 20:13:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-23 20:13:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:13:52,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-23 20:13:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-23 20:13:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:13:52,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-23 20:13:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-23 20:13:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:13:52,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-23 20:13:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-23 20:13:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:13:52,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:52,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:52,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-23 20:13:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-23 20:13:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:13:53,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-23 20:13:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-23 20:13:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:13:53,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-23 20:13:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-23 20:13:53,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:13:53,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:53,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-23 20:13:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-23 20:13:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:54,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-23 20:13:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-23 20:13:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:13:54,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-23 20:13:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-23 20:13:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:13:54,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:54,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-23 20:13:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-23 20:13:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:55,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:55,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2023-11-23 20:13:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2023-11-23 20:13:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:56,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2023-11-23 20:13:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2023-11-23 20:13:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:56,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 89 states and 170 transitions. [2023-11-23 20:13:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 170 transitions. [2023-11-23 20:13:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:56,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:57,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 173 transitions. [2023-11-23 20:13:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2023-11-23 20:13:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:57,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:57,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:57,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:13:57,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 102 states and 200 transitions. [2023-11-23 20:13:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions. [2023-11-23 20:13:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:13:58,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:58,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:13:58,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:13:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 111 states and 224 transitions. [2023-11-23 20:13:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 224 transitions. [2023-11-23 20:13:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:13:58,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:58,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:58,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:13:58,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:13:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:59,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 116 states and 233 transitions. [2023-11-23 20:13:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 233 transitions. [2023-11-23 20:13:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:13:59,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:59,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:59,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:13:59,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:13:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 116 states and 232 transitions. [2023-11-23 20:13:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2023-11-23 20:13:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:13:59,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:59,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:59,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:13:59,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:14:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 116 states and 230 transitions. [2023-11-23 20:14:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-11-23 20:14:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:14:00,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:00,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:00,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:14:00,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:14:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 126 states and 259 transitions. [2023-11-23 20:14:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 259 transitions. [2023-11-23 20:14:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:14:01,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:01,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:01,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:14:01,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 133 states and 267 transitions. [2023-11-23 20:14:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 267 transitions. [2023-11-23 20:14:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:14:02,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:02,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:02,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:14:02,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:14:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 133 states and 266 transitions. [2023-11-23 20:14:03,165 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 266 transitions. [2023-11-23 20:14:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:14:03,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:03,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:14:03,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:14:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 142 states and 289 transitions. [2023-11-23 20:14:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 289 transitions. [2023-11-23 20:14:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:14:04,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:04,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:04,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:14:04,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:14:04,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 145 states and 292 transitions. [2023-11-23 20:14:04,684 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 292 transitions. [2023-11-23 20:14:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:14:04,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:04,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:14:04,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:14:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 154 states and 316 transitions. [2023-11-23 20:14:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 316 transitions. [2023-11-23 20:14:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:14:05,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:05,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:14:05,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:14:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 164 states and 345 transitions. [2023-11-23 20:14:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 345 transitions. [2023-11-23 20:14:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:14:06,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:14:06,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:14:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 344 transitions. [2023-11-23 20:14:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 344 transitions. [2023-11-23 20:14:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:14:07,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:07,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:07,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:14:07,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:14:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 164 states and 341 transitions. [2023-11-23 20:14:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 341 transitions. [2023-11-23 20:14:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:14:08,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:08,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:14:08,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:14:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 173 states and 365 transitions. [2023-11-23 20:14:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 365 transitions. [2023-11-23 20:14:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:14:09,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:14:09,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:14:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 183 states and 397 transitions. [2023-11-23 20:14:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 397 transitions. [2023-11-23 20:14:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:14:10,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:10,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:10,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:14:10,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:14:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 190 states and 405 transitions. [2023-11-23 20:14:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 405 transitions. [2023-11-23 20:14:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:14:12,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:12,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:12,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:14:12,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:14:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 192 states and 387 transitions. [2023-11-23 20:14:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 387 transitions. [2023-11-23 20:14:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:14:14,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:14,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:14,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:14:14,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:14:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 384 transitions. [2023-11-23 20:14:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 384 transitions. [2023-11-23 20:14:15,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:14:15,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:15,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:15,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:14:15,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:14:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 202 states and 417 transitions. [2023-11-23 20:14:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 417 transitions. [2023-11-23 20:14:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:14:16,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:16,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:14:16,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:14:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 211 states and 442 transitions. [2023-11-23 20:14:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 442 transitions. [2023-11-23 20:14:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:14:17,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:17,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:14:17,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:14:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 211 states and 434 transitions. [2023-11-23 20:14:19,077 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 434 transitions. [2023-11-23 20:14:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:14:19,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:19,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:19,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:14:19,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:14:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 211 states and 431 transitions. [2023-11-23 20:14:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 431 transitions. [2023-11-23 20:14:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:14:19,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:19,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:19,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:14:19,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:14:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 221 states and 465 transitions. [2023-11-23 20:14:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 465 transitions. [2023-11-23 20:14:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:14:21,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:21,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:21,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:14:21,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:14:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 228 states and 473 transitions. [2023-11-23 20:14:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 473 transitions. [2023-11-23 20:14:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 20:14:23,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:14:23,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:14:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 228 states and 464 transitions. [2023-11-23 20:14:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 464 transitions. [2023-11-23 20:14:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:14:24,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:24,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:14:25,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 21 proven. 707 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:14:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 232 states and 466 transitions. [2023-11-23 20:14:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 466 transitions. [2023-11-23 20:14:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:14:26,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:26,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:26,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:14:26,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 24 proven. 728 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:14:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 235 states and 469 transitions. [2023-11-23 20:14:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 469 transitions. [2023-11-23 20:14:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 20:14:27,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:27,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:27,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:14:27,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:14:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 239 states and 484 transitions. [2023-11-23 20:14:29,333 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 484 transitions. [2023-11-23 20:14:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 20:14:29,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:29,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:29,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:14:29,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:14:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 245 states and 502 transitions. [2023-11-23 20:14:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 502 transitions. [2023-11-23 20:14:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 20:14:30,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:30,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:30,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:14:30,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:14:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 252 states and 510 transitions. [2023-11-23 20:14:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 510 transitions. [2023-11-23 20:14:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 20:14:32,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:32,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:14:32,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-23 20:14:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 252 states and 509 transitions. [2023-11-23 20:14:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 509 transitions. [2023-11-23 20:14:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:14:35,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:35,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:35,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:14:35,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-23 20:14:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 252 states and 505 transitions. [2023-11-23 20:14:36,722 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 505 transitions. [2023-11-23 20:14:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-23 20:14:36,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:36,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:14:36,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 0 proven. 825 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 20:14:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 259 states and 513 transitions. [2023-11-23 20:14:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 513 transitions. [2023-11-23 20:14:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 20:14:38,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:38,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:38,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:14:38,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.