./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/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_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/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_730d5486-e158-4e5f-8095-ec19f5ba6d1f/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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:37,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:38,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:38,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:38,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:38,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:38,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:38,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:38,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:38,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:38,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:38,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:38,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:38,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:38,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:38,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:38,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:38,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:38,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:38,132 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:38,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:38,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:38,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:38,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:38,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:38,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:38,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:38,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:38,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:38,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:38,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:38,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:38,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:38,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:38,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:38,141 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_730d5486-e158-4e5f-8095-ec19f5ba6d1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2023-11-23 20:15:38,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:38,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:38,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:38,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:38,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:38,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2023-11-23 20:15:41,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:41,882 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:41,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2023-11-23 20:15:41,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/data/08223bd46/19590daa73c44356b2e2c2ae197adcfa/FLAG5fefada57 [2023-11-23 20:15:41,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/data/08223bd46/19590daa73c44356b2e2c2ae197adcfa [2023-11-23 20:15:41,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:41,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:41,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:41,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:41,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:41,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:41" (1/1) ... [2023-11-23 20:15:41,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56086171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:41, skipping insertion in model container [2023-11-23 20:15:41,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:41" (1/1) ... [2023-11-23 20:15:41,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:42,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:42,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:42,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:42,290 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:42,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42 WrapperNode [2023-11-23 20:15:42,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:42,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:42,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:42,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:42,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,362 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2023-11-23 20:15:42,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:42,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:42,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:42,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:42,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:42,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:42,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:42,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:42,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:42" (1/1) ... [2023-11-23 20:15:42,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:42,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:42,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:42,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_730d5486-e158-4e5f-8095-ec19f5ba6d1f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:42,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:42,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:42,580 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:42,582 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:43,536 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:43,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:43,572 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:15:43,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:43 BoogieIcfgContainer [2023-11-23 20:15:43,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:43,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:43,575 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:43,586 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:43,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:43" (1/1) ... [2023-11-23 20:15:43,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 299 states and 311 transitions. [2023-11-23 20:15:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 311 transitions. [2023-11-23 20:15:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:15:43,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:15:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:15:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:15:44,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-23 20:15:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-23 20:15:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:15:44,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 307 states and 322 transitions. [2023-11-23 20:15:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 322 transitions. [2023-11-23 20:15:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:15:44,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 308 states and 323 transitions. [2023-11-23 20:15:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 323 transitions. [2023-11-23 20:15:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:15:44,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 309 states and 324 transitions. [2023-11-23 20:15:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 324 transitions. [2023-11-23 20:15:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:15:44,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 310 states and 325 transitions. [2023-11-23 20:15:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 325 transitions. [2023-11-23 20:15:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:15:44,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 311 states and 326 transitions. [2023-11-23 20:15:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 326 transitions. [2023-11-23 20:15:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:15:44,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-23 20:15:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-23 20:15:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:15:44,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2023-11-23 20:15:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2023-11-23 20:15:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:15:44,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:44,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-23 20:15:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-23 20:15:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:15:44,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:44,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 315 states and 331 transitions. [2023-11-23 20:15:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 331 transitions. [2023-11-23 20:15:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:45,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 314 states and 330 transitions. [2023-11-23 20:15:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 330 transitions. [2023-11-23 20:15:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:45,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 313 states and 329 transitions. [2023-11-23 20:15:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 329 transitions. [2023-11-23 20:15:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:45,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 312 states and 328 transitions. [2023-11-23 20:15:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 328 transitions. [2023-11-23 20:15:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:45,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 316 states and 333 transitions. [2023-11-23 20:15:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2023-11-23 20:15:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:45,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 315 states and 332 transitions. [2023-11-23 20:15:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 332 transitions. [2023-11-23 20:15:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:45,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 314 states and 331 transitions. [2023-11-23 20:15:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 331 transitions. [2023-11-23 20:15:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:15:45,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,936 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 20:15:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 313 states and 330 transitions. [2023-11-23 20:15:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 330 transitions. [2023-11-23 20:15:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:15:45,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:46,044 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 20:15:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 312 states and 329 transitions. [2023-11-23 20:15:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2023-11-23 20:15:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:15:46,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:46,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:46,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:46,182 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 20:15:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 322 states and 340 transitions. [2023-11-23 20:15:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 340 transitions. [2023-11-23 20:15:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:15:46,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:46,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:46,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:46,500 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 20:15:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 323 states and 341 transitions. [2023-11-23 20:15:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 341 transitions. [2023-11-23 20:15:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:15:46,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:46,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:46,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 349 states and 373 transitions. [2023-11-23 20:15:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 373 transitions. [2023-11-23 20:15:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:15:47,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:47,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 350 states and 374 transitions. [2023-11-23 20:15:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 374 transitions. [2023-11-23 20:15:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:15:47,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:47,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:47,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 378 states and 409 transitions. [2023-11-23 20:15:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 409 transitions. [2023-11-23 20:15:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:15:48,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:48,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:48,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 407 states and 445 transitions. [2023-11-23 20:15:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 445 transitions. [2023-11-23 20:15:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:15:49,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 410 states and 450 transitions. [2023-11-23 20:15:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 450 transitions. [2023-11-23 20:15:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:15:49,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 413 states and 454 transitions. [2023-11-23 20:15:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 454 transitions. [2023-11-23 20:15:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:15:50,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:51,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 418 states and 462 transitions. [2023-11-23 20:15:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 462 transitions. [2023-11-23 20:15:51,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:15:51,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:51,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 424 states and 471 transitions. [2023-11-23 20:15:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 471 transitions. [2023-11-23 20:15:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:15:52,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:52,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:52,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:15:52,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 431 states and 479 transitions. [2023-11-23 20:15:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 479 transitions. [2023-11-23 20:15:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:15:53,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 435 states and 484 transitions. [2023-11-23 20:15:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 484 transitions. [2023-11-23 20:15:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:15:53,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 437 states and 488 transitions. [2023-11-23 20:15:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 488 transitions. [2023-11-23 20:15:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:15:54,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 440 states and 493 transitions. [2023-11-23 20:15:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 493 transitions. [2023-11-23 20:15:54,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:15:54,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 444 states and 499 transitions. [2023-11-23 20:15:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 499 transitions. [2023-11-23 20:15:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:15:56,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 448 states and 504 transitions. [2023-11-23 20:15:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 504 transitions. [2023-11-23 20:15:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:15:57,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:57,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:57,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 450 states and 508 transitions. [2023-11-23 20:15:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 508 transitions. [2023-11-23 20:15:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:15:59,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:59,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:59,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:59,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 451 states and 510 transitions. [2023-11-23 20:16:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 510 transitions. [2023-11-23 20:16:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:16:01,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 450 states and 509 transitions. [2023-11-23 20:16:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 509 transitions. [2023-11-23 20:16:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:16:01,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 455 states and 518 transitions. [2023-11-23 20:16:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 518 transitions. [2023-11-23 20:16:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:16:05,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 461 states and 528 transitions. [2023-11-23 20:16:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 528 transitions. [2023-11-23 20:16:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:16:07,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:07,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:07,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:07,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 469 states and 541 transitions. [2023-11-23 20:16:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 541 transitions. [2023-11-23 20:16:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:16:09,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:09,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:09,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 478 states and 555 transitions. [2023-11-23 20:16:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 555 transitions. [2023-11-23 20:16:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:16:12,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:12,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:12,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 487 states and 567 transitions. [2023-11-23 20:16:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 567 transitions. [2023-11-23 20:16:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:16:15,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:15,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 489 states and 571 transitions. [2023-11-23 20:16:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 571 transitions. [2023-11-23 20:16:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:16:16,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:16,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 492 states and 576 transitions. [2023-11-23 20:16:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 576 transitions. [2023-11-23 20:16:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:16:17,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:17,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:17,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 496 states and 580 transitions. [2023-11-23 20:16:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 580 transitions. [2023-11-23 20:16:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:16:18,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:18,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 500 states and 585 transitions. [2023-11-23 20:16:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 585 transitions. [2023-11-23 20:16:19,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:16:19,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:19,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 501 states and 587 transitions. [2023-11-23 20:16:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 587 transitions. [2023-11-23 20:16:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:16:20,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:20,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:20,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:16:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 503 states and 590 transitions. [2023-11-23 20:16:21,413 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 590 transitions. [2023-11-23 20:16:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:16:21,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:21,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:21,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:21,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 536 states and 633 transitions. [2023-11-23 20:16:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 633 transitions. [2023-11-23 20:16:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:16:25,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:25,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 537 states and 635 transitions. [2023-11-23 20:16:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 635 transitions. [2023-11-23 20:16:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:16:25,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:25,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 557 states and 663 transitions. [2023-11-23 20:16:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 663 transitions. [2023-11-23 20:16:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:16:29,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:29,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:29,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:29,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 559 states and 666 transitions. [2023-11-23 20:16:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 666 transitions. [2023-11-23 20:16:29,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:16:29,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:29,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:29,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 558 states and 665 transitions. [2023-11-23 20:16:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 665 transitions. [2023-11-23 20:16:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:16:29,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:29,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:29,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:29,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:16:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:34,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 578 states and 695 transitions. [2023-11-23 20:16:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 695 transitions. [2023-11-23 20:16:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:16:34,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:34,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:34,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:34,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.