./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ba6c159d5a75336b71b2a638ad3dc3de6683b2c20813e420caa2034bf261c2c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:00,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:01,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:01,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:01,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:01,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:01,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:01,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:01,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:01,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:01,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:01,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:01,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:01,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:01,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:01,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:01,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:01,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:01,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:01,100 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:01,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:01,101 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:01,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:01,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:01,103 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:01,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:01,104 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:01,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:01,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:01,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:01,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:01,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:01,107 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:01,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:01,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:01,108 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_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ba6c159d5a75336b71b2a638ad3dc3de6683b2c20813e420caa2034bf261c2c [2023-11-21 18:45:01,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:01,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:01,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:01,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:01,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:01,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c [2023-11-21 18:45:04,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:04,757 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:04,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c [2023-11-21 18:45:04,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/data/a13e5bc86/73bd474fb2d74cf9b5e36b48d97b2063/FLAG5c1de82d3 [2023-11-21 18:45:04,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/data/a13e5bc86/73bd474fb2d74cf9b5e36b48d97b2063 [2023-11-21 18:45:04,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:04,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:04,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:04,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:04,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:04,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:04" (1/1) ... [2023-11-21 18:45:04,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c71f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:04, skipping insertion in model container [2023-11-21 18:45:04,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:04" (1/1) ... [2023-11-21 18:45:04,822 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:04,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:04,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:05,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:05,034 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:05,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05 WrapperNode [2023-11-21 18:45:05,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:05,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:05,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:05,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:05,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,096 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-21 18:45:05,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:05,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:05,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:05,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:05,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:05,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:05,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:05,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:05,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:05,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:05,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb265403-7c06-4319-ab72-178bcd4155e9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:45:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:45:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:45:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:45:05,283 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:05,285 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:05,788 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:05,832 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:05,833 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:45:05,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:05 BoogieIcfgContainer [2023-11-21 18:45:05,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:05,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:05,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:05,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:05,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:05" (1/1) ... [2023-11-21 18:45:05,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:45:05,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-21 18:45:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-21 18:45:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:45:05,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:05,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:06,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:45:06,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-21 18:45:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-21 18:45:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:45:06,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-21 18:45:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-21 18:45:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:45:06,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-21 18:45:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-21 18:45:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:45:06,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:06,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:06,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 141 states and 154 transitions. [2023-11-21 18:45:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2023-11-21 18:45:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:45:06,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:06,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:06,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:06,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 147 states and 164 transitions. [2023-11-21 18:45:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2023-11-21 18:45:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:45:07,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:07,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:07,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 176 transitions. [2023-11-21 18:45:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 176 transitions. [2023-11-21 18:45:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:45:08,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 158 states and 184 transitions. [2023-11-21 18:45:08,670 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2023-11-21 18:45:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:45:08,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:08,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:08,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:08,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 166 states and 199 transitions. [2023-11-21 18:45:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 199 transitions. [2023-11-21 18:45:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:45:09,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:09,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 170 states and 209 transitions. [2023-11-21 18:45:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 209 transitions. [2023-11-21 18:45:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:45:10,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:10,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:10,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:10,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 171 states and 210 transitions. [2023-11-21 18:45:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 210 transitions. [2023-11-21 18:45:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:45:10,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:10,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:10,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:10,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 174 states and 214 transitions. [2023-11-21 18:45:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 214 transitions. [2023-11-21 18:45:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:45:11,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:11,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:11,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:11,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 175 states and 215 transitions. [2023-11-21 18:45:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 215 transitions. [2023-11-21 18:45:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:45:12,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:12,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:12,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:12,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 181 states and 228 transitions. [2023-11-21 18:45:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 228 transitions. [2023-11-21 18:45:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:12,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:12,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:12,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:12,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 193 states and 249 transitions. [2023-11-21 18:45:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2023-11-21 18:45:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:14,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:14,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:14,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:14,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 194 states and 250 transitions. [2023-11-21 18:45:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2023-11-21 18:45:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:14,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:14,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:14,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 196 states and 251 transitions. [2023-11-21 18:45:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 251 transitions. [2023-11-21 18:45:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:45:15,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:15,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:15,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 197 states and 252 transitions. [2023-11-21 18:45:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 252 transitions. [2023-11-21 18:45:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:45:15,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:15,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:15,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 205 states and 265 transitions. [2023-11-21 18:45:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 265 transitions. [2023-11-21 18:45:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:45:16,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:16,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:16,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:45:16,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 208 states and 268 transitions. [2023-11-21 18:45:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-11-21 18:45:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:45:17,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:17,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:17,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:17,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 217 states and 282 transitions. [2023-11-21 18:45:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 282 transitions. [2023-11-21 18:45:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:45:19,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:19,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:45:19,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 218 states and 283 transitions. [2023-11-21 18:45:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 283 transitions. [2023-11-21 18:45:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:45:20,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:20,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:20,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 228 states and 298 transitions. [2023-11-21 18:45:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2023-11-21 18:45:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:45:22,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:22,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:22,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:22,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 244 states and 323 transitions. [2023-11-21 18:45:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2023-11-21 18:45:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:45:25,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:25,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:45:25,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 245 states and 324 transitions. [2023-11-21 18:45:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 324 transitions. [2023-11-21 18:45:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:45:25,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:25,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:25,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:25,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 262 states and 351 transitions. [2023-11-21 18:45:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 351 transitions. [2023-11-21 18:45:30,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:45:30,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:30,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:30,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:30,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 274 states and 372 transitions. [2023-11-21 18:45:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 372 transitions. [2023-11-21 18:45:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:45:34,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:34,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:34,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:45:34,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 286 states and 386 transitions. [2023-11-21 18:45:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 386 transitions. [2023-11-21 18:45:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:45:37,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:37,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:37,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:45:37,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 299 states and 412 transitions. [2023-11-21 18:45:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 412 transitions. [2023-11-21 18:45:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:45:42,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:42,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:42,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:45:42,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 318 states and 439 transitions. [2023-11-21 18:45:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 439 transitions. [2023-11-21 18:45:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:45:48,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:45:48,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 329 states and 455 transitions. [2023-11-21 18:45:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 455 transitions. [2023-11-21 18:45:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:45:52,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:45:52,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 342 states and 473 transitions. [2023-11-21 18:45:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 473 transitions. [2023-11-21 18:45:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:45:56,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:57,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:45:57,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:45:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.