./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i --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_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/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_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/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_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/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 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:51,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:51,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:51,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:51,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:51,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:51,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:51,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:51,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:51,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:51,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:51,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:51,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:51,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:51,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:51,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:51,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:51,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:51,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:51,276 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:51,277 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:51,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:51,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:51,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:51,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:51,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:51,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:51,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:51,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:51,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:51,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:51,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:51,283 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:51,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:51,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:51,284 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_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 [2023-11-23 20:11:51,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:51,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:51,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:51,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:51,651 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:51,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2023-11-23 20:11:55,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:55,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:55,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2023-11-23 20:11:55,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/data/632a65573/92b8926043dd472db3744d784744c09b/FLAG135f46710 [2023-11-23 20:11:55,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/data/632a65573/92b8926043dd472db3744d784744c09b [2023-11-23 20:11:55,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:55,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:55,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:55,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:55,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:55,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fa965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55, skipping insertion in model container [2023-11-23 20:11:55,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:55,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:55,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:55,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:55,764 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:55,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55 WrapperNode [2023-11-23 20:11:55,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:55,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:55,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:55,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:55,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,803 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-23 20:11:55,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:55,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:55,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:55,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:55,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:55,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:55,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:55,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:55,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:55,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:55,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:55,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbeb9d9-54fa-4371-93b9-01ea4a88109b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:11:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:11:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:11:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:11:56,101 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:56,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:56,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:56,429 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:56,429 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:11:56,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:56 BoogieIcfgContainer [2023-11-23 20:11:56,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:56,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:56,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:56,448 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:56,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-23 20:11:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-23 20:11:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:56,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2023-11-23 20:11:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-23 20:11:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:11:57,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2023-11-23 20:11:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-23 20:11:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:11:57,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2023-11-23 20:11:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-23 20:11:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:57,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2023-11-23 20:11:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-23 20:11:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:57,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2023-11-23 20:11:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-23 20:11:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:57,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:57,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:58,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2023-11-23 20:11:58,499 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-23 20:11:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:58,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:58,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2023-11-23 20:11:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-23 20:11:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:11:58,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:58,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2023-11-23 20:11:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-23 20:11:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:11:59,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2023-11-23 20:11:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-23 20:11:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:59,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:59,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2023-11-23 20:11:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-23 20:11:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:59,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2023-11-23 20:12:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-11-23 20:12:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:00,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:00,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:00,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 80 transitions. [2023-11-23 20:12:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-23 20:12:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:00,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:00,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:00,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-23 20:12:00,862 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-23 20:12:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:00,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:00,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-11-23 20:12:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-23 20:12:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:00,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2023-11-23 20:12:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-23 20:12:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:01,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:01,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2023-11-23 20:12:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-23 20:12:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:01,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2023-11-23 20:12:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-23 20:12:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:12:02,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:12:02,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2023-11-23 20:12:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-23 20:12:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:12:02,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2023-11-23 20:12:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-23 20:12:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:12:02,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-23 20:12:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-23 20:12:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:12:03,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-23 20:12:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-23 20:12:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:12:03,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,840 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-23 20:12:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-23 20:12:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:12:04,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:12:04,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 89 states and 128 transitions. [2023-11-23 20:12:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2023-11-23 20:12:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:12:04,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2023-11-23 20:12:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-23 20:12:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:12:04,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 90 states and 129 transitions. [2023-11-23 20:12:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2023-11-23 20:12:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:12:05,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 94 states and 137 transitions. [2023-11-23 20:12:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2023-11-23 20:12:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:12:05,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 97 states and 140 transitions. [2023-11-23 20:12:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-23 20:12:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:12:06,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:06,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:12:06,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 102 states and 148 transitions. [2023-11-23 20:12:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2023-11-23 20:12:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:12:06,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 103 states and 155 transitions. [2023-11-23 20:12:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2023-11-23 20:12:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:12:06,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:06,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 149 transitions. [2023-11-23 20:12:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-23 20:12:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:12:07,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 107 states and 157 transitions. [2023-11-23 20:12:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-11-23 20:12:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:12:08,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 110 states and 160 transitions. [2023-11-23 20:12:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2023-11-23 20:12:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:12:08,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:12:08,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 118 states and 175 transitions. [2023-11-23 20:12:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 175 transitions. [2023-11-23 20:12:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:12:11,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:11,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 119 states and 183 transitions. [2023-11-23 20:12:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2023-11-23 20:12:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:12:11,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:11,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:12,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 119 states and 176 transitions. [2023-11-23 20:12:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2023-11-23 20:12:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:12:12,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2023-11-23 20:12:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2023-11-23 20:12:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:12:13,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:13,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 123 states and 182 transitions. [2023-11-23 20:12:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 182 transitions. [2023-11-23 20:12:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:12:13,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 191 transitions. [2023-11-23 20:12:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-23 20:12:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:12:14,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:14,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:14,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:12:14,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2023-11-23 20:12:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-23 20:12:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:12:14,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:14,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:15,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 129 states and 191 transitions. [2023-11-23 20:12:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2023-11-23 20:12:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:12:15,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:15,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 130 states and 194 transitions. [2023-11-23 20:12:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2023-11-23 20:12:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:12:16,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:16,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 133 states and 197 transitions. [2023-11-23 20:12:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 197 transitions. [2023-11-23 20:12:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:12:17,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:12:17,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2023-11-23 20:12:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2023-11-23 20:12:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:12:18,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:18,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 142 states and 222 transitions. [2023-11-23 20:12:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 222 transitions. [2023-11-23 20:12:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:12:19,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:19,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 142 states and 213 transitions. [2023-11-23 20:12:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 213 transitions. [2023-11-23 20:12:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:12:20,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:20,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:21,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 143 states and 216 transitions. [2023-11-23 20:12:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2023-11-23 20:12:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:12:21,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-23 20:12:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-23 20:12:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:12:21,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 147 states and 230 transitions. [2023-11-23 20:12:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 230 transitions. [2023-11-23 20:12:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:12:22,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:22,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:22,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:12:22,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-23 20:12:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-23 20:12:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:12:22,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:22,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 150 states and 225 transitions. [2023-11-23 20:12:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2023-11-23 20:12:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:12:24,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:24,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2023-11-23 20:12:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2023-11-23 20:12:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:12:25,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 154 states and 231 transitions. [2023-11-23 20:12:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 231 transitions. [2023-11-23 20:12:26,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:12:26,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:26,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:26,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:12:26,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 15 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 162 states and 245 transitions. [2023-11-23 20:12:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 245 transitions. [2023-11-23 20:12:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:12:27,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:27,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 257 transitions. [2023-11-23 20:12:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 257 transitions. [2023-11-23 20:12:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:12:27,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:27,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 163 states and 246 transitions. [2023-11-23 20:12:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 246 transitions. [2023-11-23 20:12:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:12:29,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:29,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 164 states and 249 transitions. [2023-11-23 20:12:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 249 transitions. [2023-11-23 20:12:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:12:30,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2023-11-23 20:12:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2023-11-23 20:12:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:12:30,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:12:30,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 260 transitions. [2023-11-23 20:12:31,330 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2023-11-23 20:12:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:12:31,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:31,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 173 states and 273 transitions. [2023-11-23 20:12:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 273 transitions. [2023-11-23 20:12:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:12:31,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 173 states and 261 transitions. [2023-11-23 20:12:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-23 20:12:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:12:33,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:33,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 174 states and 264 transitions. [2023-11-23 20:12:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 264 transitions. [2023-11-23 20:12:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:12:34,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:34,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 177 states and 267 transitions. [2023-11-23 20:12:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 267 transitions. [2023-11-23 20:12:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:12:35,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 180 states and 272 transitions. [2023-11-23 20:12:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 272 transitions. [2023-11-23 20:12:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:12:36,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:36,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:36,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:12:36,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 185 states and 280 transitions. [2023-11-23 20:12:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 280 transitions. [2023-11-23 20:12:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:12:36,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat